Product Index

N-Cbz-N'-tert-Butyl-DL-phenylglycinamide

Catalog No.: AA009X1K

CAS No.:1400644-17-8 MDL No.: MFCD22421523

MF: C20H24N2O3 MW: 340.4162

Pricing and Availability

N-t-Butyl 2-(BOC-amino)propanamide

Catalog No.: AA009X1C

CAS No.:1400644-20-3 MDL No.: MFCD22421533

MF: C12H24N2O3 MW: 244.3306

Pricing and Availability

2-(4-Boc-piperazinyl)-2-(2,4-dimethoxylphenyl)acetic acid

Catalog No.: AA00HVN5

CAS No.:1400644-22-5 MDL No.: MFCD06795958

MF: C19H28N2O6 MW: 380.4354

Pricing and Availability

3,5-Dinitro-2-methylbenzotrifluoride

Catalog No.: AA009WZF

CAS No.:1400644-23-6 MDL No.: MFCD22421484

MF: C8H5F3N2O4 MW: 250.1315

Pricing and Availability

4-Bromo-5-chloro-2-propoxyaniline HCl

Catalog No.: AA009X08

CAS No.:1400644-27-0 MDL No.: MFCD22421485

MF: C9H12BrCl2NO MW: 301.0077

Pricing and Availability

4-Bromo-5-chloro-2-ethoxyaniline

Catalog No.: AA009X01

CAS No.:1400644-28-1 MDL No.: MFCD22421478

MF: C8H9BrClNO MW: 250.5202

Pricing and Availability

Benzyl N-[2-(4-chlorophenyl)propan-2-yl]carbamate

Catalog No.: AA009WYZ

CAS No.:1400644-29-2 MDL No.: MFCD22421512

MF: C17H18ClNO2 MW: 303.7833

Pricing and Availability

Benzyl N-[(3-methoxypropyl)carbamoylmethyl]carbamate

Catalog No.: AA009WZ4

CAS No.:1400644-30-5 MDL No.: MFCD22421528

MF: C14H20N2O4 MW: 280.3196

Pricing and Availability

2-Methoxy-4-morpholinopyrimidine

Catalog No.: AA009X4O

CAS No.:1400644-32-7 MDL No.: MFCD22421507

MF: C9H13N3O2 MW: 195.2184

Pricing and Availability

N-(2-Chloro-6-methylphenyl)-1,3-propanesultam

Catalog No.: AA009X20

CAS No.:1400644-34-9 MDL No.: MFCD22421511

MF: C10H12ClNO2S MW: 245.7258

Pricing and Availability

4-(4-Methylpiperazino)benzenesulfonamide

Catalog No.: AA009X5P

CAS No.:1400644-35-0 MDL No.: MFCD22421535

MF: C11H17N3O2S MW: 255.3366

Pricing and Availability

5-Bromo-1-butyl-6-fluoro-2-methyl-1,3-benzodiazole

Catalog No.: AA009WT1

CAS No.:1400644-36-1 MDL No.: MFCD22421519

MF: C12H14BrFN2 MW: 285.1554

Pricing and Availability

Methyl (2,4-dibromo-6-carbamoyl-phenoxy)acetate

Catalog No.: AA00HVN6

CAS No.:1400644-40-7 MDL No.: MFCD06795945

MF: C10H9Br2NO4 MW: 366.9908

Pricing and Availability

5-Hexyl-1-benzofuran

Catalog No.: AA009X48

CAS No.:1400644-42-9 MDL No.: MFCD22421536

MF: C14H18O MW: 202.2921

Pricing and Availability

3-Hydroxy-5-phenylbenzamide

Catalog No.: AA009WPA

CAS No.:1400644-43-0 MDL No.: MFCD22421538

MF: C13H11NO2 MW: 213.2319

Pricing and Availability

2-(2-Cyano-3-fluorophenyl)-6-fluorobenzonitrile

Catalog No.: AA009WY5

CAS No.:1400644-44-1 MDL No.: MFCD22421537

MF: C14H6F2N2 MW: 240.2076

Pricing and Availability

4-Bromo-2-butoxy-5-chloroaniline

Catalog No.: AA009WZY

CAS No.:1400644-46-3 MDL No.: MFCD22421479

MF: C10H13BrClNO MW: 278.5733

Pricing and Availability

N,N-Dimethyl 5-bromo-2-nitrobenzylamine

Catalog No.: AA00HVN7

CAS No.:1400644-49-6 MDL No.: MFCD22421487

MF: C9H11BrN2O2 MW: 259.0998

Pricing and Availability

Benzyl N-[1-(4-bromophenyl)ethyl]carbamate

Catalog No.: AA00HVN8

CAS No.:1400644-50-9 MDL No.: MFCD22421541

MF: C16H16BrNO2 MW: 334.2077

Pricing and Availability

N-(4-Bromo-2-trifluoromethoxyphenyl)-1,3-propanesultam

Catalog No.: AA009WVE

CAS No.:1400644-52-1 MDL No.: MFCD27939641

MF: C10H9BrF3NO2S MW: 344.1482

Pricing and Availability

Cyclopentyl(quinolin-2-yl)methanamine

Catalog No.: AA00HVN9

CAS No.:1400644-55-4 MDL No.: MFCD14635194

MF: C15H19ClN2 MW: 262.7778

Pricing and Availability

Methyl 1-butyl-1,2,3-benzotriazole-5-carboxylate

Catalog No.: AA009WQF

CAS No.:1400644-56-5 MDL No.: MFCD22421553

MF: C12H15N3O2 MW: 233.2664

Pricing and Availability

1-Propyl-1,2,3-benzotriazole-5-carbonitrile

Catalog No.: AA009X36

CAS No.:1400644-57-6 MDL No.: MFCD22421517

MF: C10H10N4 MW: 186.2132

Pricing and Availability

5-Bromo-1-cyclohexyl-6-fluoro-2-methyl-1,3-benzodiazole

Catalog No.: AA009WTF

CAS No.:1400644-59-8 MDL No.: MFCD22421520

MF: C14H16BrFN2 MW: 311.1926

Pricing and Availability

1-Bromo-2-chloro-5-(cyclopropylmethoxy)-4-nitrobenzene

Catalog No.: AA009WT4

CAS No.:1400644-63-4 MDL No.: MFCD22421476

MF: C10H9BrClNO3 MW: 306.5404

Pricing and Availability

4-Iodo-1-(oxan-2-yl)pyrazole-5-carbaldehyde

Catalog No.: AA009WWW

CAS No.:1400644-65-6 MDL No.: MFCD22421551

MF: C9H11IN2O2 MW: 306.1003

Pricing and Availability

1,3-Dimethyl 2-(2,3-difluoro-6-nitrophenyl)propanedioate

Catalog No.: AA00HVNA

CAS No.:1400644-66-7 MDL No.: MFCD22421475

MF: C11H9F2NO6 MW: 289.1891

Pricing and Availability

4-Nitro-3-(propylamino)benzoic acid

Catalog No.: AA009WNM

CAS No.:1400644-69-0 MDL No.: MFCD22421482

MF: C10H12N2O4 MW: 224.2133

Pricing and Availability

4-Bromo-5-chloro-2-(cyclopropylmethoxy)aniline HCl

Catalog No.: AA009X00

CAS No.:1400644-73-6 MDL No.: MFCD22421486

MF: C10H12BrCl2NO MW: 313.0184

Pricing and Availability

1-(3-Bromophenyl)cyclopropane-1-carbohydrazide

Catalog No.: AA009WV4

CAS No.:1400644-74-7 MDL No.: MFCD22421534

MF: C10H11BrN2O MW: 255.1111

Pricing and Availability

4-(3-Amino-1H-pyrazol-4-yl)benzonitrile

Catalog No.: AA009WYR

CAS No.:1400644-75-8 MDL No.: MFCD22421513

MF: C10H8N4 MW: 184.1973

Pricing and Availability

3-(Phthalimidomethylcarbonyl)-1-tosylpyrrole

Catalog No.: AA009X38

CAS No.:1400644-83-8 MDL No.: MFCD22421504

MF: C21H16N2O5S MW: 408.4271

Pricing and Availability

Methyl 4-aminotetrahydro-2h-pyran-4-carboxylate oxalate

Catalog No.: AA00HVNB

CAS No.:1400644-84-9 MDL No.: MFCD12964943

MF: C9H15NO7 MW: 249.2179

Pricing and Availability

Benzyl[2-(3-bromophenyl)propan-2-yl]amine HCl

Catalog No.: AA009WYY

CAS No.:1400644-86-1 MDL No.: MFCD22421539

MF: C16H19BrClN MW: 340.6858

Pricing and Availability

3-(Benzylamino)-4-nitrobenzoic acid

Catalog No.: AA009WYV

CAS No.:1400644-88-3 MDL No.: MFCD22421498

MF: C14H12N2O4 MW: 272.2561

Pricing and Availability

1-Bromo-2-chloro-4-nitro-5-propoxybenzene

Catalog No.: AA009WTB

CAS No.:1400644-91-8 MDL No.: MFCD22421477

MF: C9H9BrClNO3 MW: 294.5297

Pricing and Availability

N-(4-Bromo-3-trifluoromethylphenyl)-1,3-propanesultam

Catalog No.: AA009WVG

CAS No.:1400644-93-0 MDL No.: MFCD22421510

MF: C10H9BrF3NO2S MW: 344.1482

Pricing and Availability

(5-Bromo-4-chloro-2-nitrophenyl)acetic acid

Catalog No.: AA009WTA

CAS No.:1400644-94-1 MDL No.: MFCD22421480

MF: C8H5BrClNO4 MW: 294.4866

Pricing and Availability

6-Bromo-1-ethyl-7-fluoro-4H-quinoxaline-2,3-dione

Catalog No.: AA009WU2

CAS No.:1400644-97-4 MDL No.: MFCD22421516

MF: C10H8BrFN2O2 MW: 287.0851

Pricing and Availability

Methyl 1-cyclohexyl-1,2,3-benzotriazole-5-carboxylate

Catalog No.: AA009WQ1

CAS No.:1400645-00-2 MDL No.: MFCD22421556

MF: C14H17N3O2 MW: 259.3037

Pricing and Availability

Ofloxacin HCl

Catalog No.: AA009WNN

CAS No.:1400645-02-4 MDL No.: MFCD06410951

MF: C18H21ClFN3O4 MW: 397.8284

Pricing and Availability

Methyl 1-tert-butyl-1,2,3-benzotriazole-5-carboxylate

Catalog No.: AA009X1O

CAS No.:1400645-11-5 MDL No.: MFCD22421554

MF: C12H15N3O2 MW: 233.2664

Pricing and Availability

Methyl 2-methyl-3-(2-methylphenyl)benzoate

Catalog No.: AA009X26

CAS No.:1400645-15-9 MDL No.: MFCD22421557

MF: C16H16O2 MW: 240.2970

Pricing and Availability

Methyl 4-nitro-3-(propylamino)benzoate

Catalog No.: AA009X5N

CAS No.:1400645-19-3 MDL No.: MFCD22421499

MF: C11H14N2O4 MW: 238.2399

Pricing and Availability

N-(3-Bromo-5-trifluoromethylphenyl)-1,3-propanesultam

Catalog No.: AA009WVF

CAS No.:1400645-21-7 MDL No.: MFCD22421509

MF: C10H9BrF3NO2S MW: 344.1482

Pricing and Availability

Methyl 3-(isopropylamino)-4-nitrobenzoate

Catalog No.: AA009X5J

CAS No.:1400645-23-9 MDL No.: MFCD22421500

MF: C11H14N2O4 MW: 238.2399

Pricing and Availability

3-(4-Bromophenyl)-1-isopropylpyrazole

Catalog No.: AA009WV6

CAS No.:1400645-25-1 MDL No.: MFCD22421503

MF: C12H13BrN2 MW: 265.1490

Pricing and Availability

1-(3-Chloro-pyrazin-2-yl)-piperidine-4-carboxylic acid methyl ester

Catalog No.: AA00HVNE

CAS No.:1400645-27-3 MDL No.: MFCD07368263

MF: C11H14ClN3O2 MW: 255.7008

Pricing and Availability

Methyl 1-cyclopentyl-1,2,3-benzotriazole-5-carboxylate

Catalog No.: AA009WQ3

CAS No.:1400645-30-8 MDL No.: MFCD22421555

MF: C13H15N3O2 MW: 245.2771

Pricing and Availability

Methyl (4-bromo-2-carbamoyl-phenoxy)acetate

Catalog No.: AA00HVNG

CAS No.:1400645-33-1 MDL No.: MFCD06795960

MF: C10H10BrNO4 MW: 288.0947

Pricing and Availability

N-(4-Bromo-2-fluorobenzyl)cyclopropanamine HCl

Catalog No.: AA009X0E

CAS No.:1400645-37-5 MDL No.: MFCD22421550

MF: C10H12BrClFN MW: 280.5644

Pricing and Availability

N-Hydroxy-2,3-pyridinedicarboximide HCl

Catalog No.: AA009WPB

CAS No.:1400645-39-7 MDL No.: MFCD22421548

MF: C7H5ClN2O3 MW: 200.5792

Pricing and Availability

5-Bromo-3-methylpyridine-2-carboxamide

Catalog No.: AA001BW9

CAS No.:1400645-41-1 MDL No.: MFCD22421549

MF: C7H7BrN2O MW: 215.0473

Pricing and Availability

4-(5-Cyclopropylpyrazol-1-yl)benzonitrile

Catalog No.: AA009WP4

CAS No.:1400645-43-3 MDL No.: MFCD22421505

MF: C13H11N3 MW: 209.2465

Pricing and Availability

Methyl 1-propyl-1,2,3-benzotriazole-5-carboxylate

Catalog No.: AA009X1S

CAS No.:1400645-46-6 MDL No.: MFCD22421552

MF: C11H13N3O2 MW: 219.2398

Pricing and Availability

(E)-1-(tert-Butylsulfinyl)-2,3-dimethylbut-1-ene

Catalog No.: AA00HVNH

CAS No.:1400647-45-1 MDL No.: MFCD22056320

MF: C10H20OS MW: 188.3302

Pricing and Availability

2,4-Difluoro-6-methoxyaniline

Catalog No.: AA0248NQ

CAS No.:1400653-78-2 MDL No.:

MF: C7H7F2NO MW: 159.1334

Pricing and Availability

4-(2-Cyclohexylethyl)-2-fluoroaniline

Catalog No.: AA01QEZQ

CAS No.:1400654-21-8 MDL No.: MFCD32875862

MF: C14H20FN MW: 221.3137

Pricing and Availability

4-(cyclohexylmethyl)-1,2,3,4-tetrahydroisoquinoline

Catalog No.: AA01EJ54

CAS No.:1400655-92-6 MDL No.: MFCD26310047

MF: C16H23N MW: 229.3605

Pricing and Availability

5-(methoxycarbonyl)-4-methylthiophene-2-carboxylic acid

Catalog No.: AA01FL5S

CAS No.:1400661-53-1 MDL No.: MFCD24503536

MF: C8H8O4S MW: 200.2117

Pricing and Availability

5-(Methoxycarbonyl)-4-(trifluoromethyl)thiophene-2-carboxylic acid

Catalog No.: AA01DLGX

CAS No.:1400661-81-5 MDL No.: MFCD22689991

MF: C8H5F3O4S MW: 254.1831

Pricing and Availability

Methyl 5-formyl-3-isopropylthiophene-2-carboxylate

Catalog No.: AA01DLI3

CAS No.:1400662-31-8 MDL No.: MFCD22689992

MF: C10H12O3S MW: 212.2655

Pricing and Availability

4-Isopropyl-5-(methoxycarbonyl)thiophene-2-carboxylic acid

Catalog No.: AA01DM2D

CAS No.:1400662-32-9 MDL No.: MFCD22689993

MF: C10H12O4S MW: 228.2649

Pricing and Availability

2-(2-(Trifluoromethyl)phenyl)-1,3,2-dioxaborinane

Catalog No.: AA01XD5U

CAS No.:1400664-00-7 MDL No.:

MF: C10H10BF3O2 MW: 229.9914

Pricing and Availability

2-(5-Fluoro-2-methoxyphenyl)-1,3,2-dioxaborinane

Catalog No.: AA0221UA

CAS No.:1400664-01-8 MDL No.:

MF: C10H12BFO3 MW: 210.0099

Pricing and Availability

4H-Cyclopenta-1,3-dioxol-4-aMine, 6-[2-[[(1,1-diMethylethyl)diMethylsilyl]oxy]ethoxy]tetrahydro-2,2-diMethyl-, (3aS,4R,6S,6aR)-

Catalog No.: AA009C5M

CAS No.:1400665-85-1 MDL No.: MFCD25372061

MF: C16H33NO4Si MW: 331.5230

Pricing and Availability

4,5-PyriMidinediaMine, 6-chloro-N4-[(3aS,4R,6S,6aR)-6-[2-[[(1,1-diMethylethyl)diMethylsilyl]oxy]ethoxy]tetrahydro-2,2-diMethyl-4H-cyclopenta-1,3-dioxol-4-yl]-2-(propylthio)-

Catalog No.: AA009C5D

CAS No.:1400665-91-9 MDL No.: MFCD25977247

MF: C23H41ClN4O4SSi MW: 533.1995

Pricing and Availability

tert-butyl N-(3-hydroxy-4-piperidyl)carbamate

Catalog No.: AA0222JH

CAS No.:1400667-58-4 MDL No.: MFCD23713061

MF: C10H20N2O3 MW: 216.2774

Pricing and Availability

tert-butyl N-[(tert-butoxy)carbonyl]-N-[6-(tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazin-2-yl]carbamate

Catalog No.: AA01EL00

CAS No.:1400668-06-5 MDL No.: MFCD30829323

MF: C20H32BN3O6 MW: 421.2956

Pricing and Availability

Catalog No.: AA021YGF

CAS No.:1400670-26-9 MDL No.:

MF: MW:

Pricing and Availability

3-(6-bromo-pyridin-2-yl)-8-chloro-imidazo[1,2-a]pyrazine

Catalog No.: AA00A06K

CAS No.:1400670-28-1 MDL No.:

MF: MW:

Pricing and Availability

4-cyanopicolinic acid, lithium salt

Catalog No.: AA022FPD

CAS No.:1400678-88-7 MDL No.: MFCD31800434

MF: C7H4LiN2O2 MW: 155.0599

Pricing and Availability

(2Z)-3-[4-(decyloxy)phenyl]prop-2-enoic acid

Catalog No.: AA00INN9

CAS No.:1400679-03-9 MDL No.: MFCD01568866

MF: C19H28O3 MW: 304.4238

Pricing and Availability

8-oxo-5,6,7,8-tetrahydroquinoline-3-carbonitrile

Catalog No.: AA01BFY3

CAS No.:1400683-18-2 MDL No.: MFCD24698287

MF: C10H8N2O MW: 172.1833

Pricing and Availability

Ethyl 4-chloropyrrolo[1,2-b]pyridazine-3-carboxylate

Catalog No.: AA00HVNK

CAS No.:1400688-74-5 MDL No.: MFCD11977045

MF: C10H9ClN2O2 MW: 224.6437

Pricing and Availability

methyl (2R)-4,4-difluoropyrrolidine-2-carboxylate

Catalog No.: AA01BVD7

CAS No.:1400688-76-7 MDL No.: MFCD29964348

MF: C6H9F2NO2 MW: 165.1380

Pricing and Availability

3-amino-2,2-dimethylcyclopentan-1-ol

Catalog No.: AA028VNY

CAS No.:1400689-08-8 MDL No.: MFCD30082310

MF: C7H15NO MW: 129.2001

Pricing and Availability

(1R,2R)-2-amino-1-methyl-cyclopentanol

Catalog No.: AA01JW1T

CAS No.:1400689-45-3 MDL No.: MFCD19205405

MF: C6H13NO MW: 115.1735

Pricing and Availability

5-Hydroxymethyl-thiophene-2-carboxylic acid tert-butyl ester

Catalog No.: AA01O4P0

CAS No.:1400690-42-7 MDL No.: MFCD32198763

MF: C10H14O3S MW: 214.2814

Pricing and Availability

N-Methylperfluoro-1-octanesulfonamidoacetic Acid-d3 (>85%)

Catalog No.: AA024J5T

CAS No.:1400690-70-1 MDL No.:

MF: C11H3D3F17NO4S MW: 574.2260

Pricing and Availability

3-(2-(5-((5'-Ethoxy-2-isopropyl-6-oxo-4-propyl-6H-[1,2'-bipyrimidin]-5-yl)methyl)pyridin-2-yl)phenyl)-1,2,4-oxadiazol-5(2H)-one

Catalog No.: AA0215PI

CAS No.:1400690-71-2 MDL No.:

MF: MW:

Pricing and Availability

2-(5-((5'-Ethoxy-2-isopropyl-6-oxo-4-propyl-6H-[1,2'-bipyrimidin]-5-yl)methyl)pyridin-2-yl)benzonitrile

Catalog No.: AA0215PJ

CAS No.:1400690-97-2 MDL No.:

MF: MW:

Pricing and Availability

2-(5-((5'-Ethoxy-2-isopropyl-6-oxo-4-propyl-6H-[1,2'-bipyrimidin]-5-yl)methyl)pyridin-2-yl)-N-hydroxybenzimidamide

Catalog No.: AA0215PK

CAS No.:1400690-98-3 MDL No.:

MF: MW:

Pricing and Availability

Colby trifluoromethylation reagent

Catalog No.: AA009ZUH

CAS No.:1400691-55-5 MDL No.: MFCD22417241

MF: C12H18F6N2O2 MW: 336.2739

Pricing and Availability

Catalog No.: AA024EN2

CAS No.:1400692-86-5 MDL No.:

MF: MW:

Pricing and Availability

Catalog No.: AA021RAO

CAS No.:1400699-64-0 MDL No.:

MF: MW:

Pricing and Availability

Benzeneacetic acid, α-hydroxy-, butyl ester

Catalog No.: AA001BWN

CAS No.:14007-02-4 MDL No.: MFCD00046629

MF: C12H16O3 MW: 208.2536

Pricing and Availability

1,3-Propanediol, 2-(2-methoxyphenoxy)-

Catalog No.: AA001BWL

CAS No.:14007-09-1 MDL No.: MFCD01631221

MF: C10H14O4 MW: 198.2158

Pricing and Availability

3-Aminodihydrothiophen-2-one

Catalog No.: AA009AD6

CAS No.:14007-10-4 MDL No.: MFCD00055960

MF: C4H7NOS MW: 117.1695

Pricing and Availability

Silane, trichloro(2-methylbutyl)-

Catalog No.: AA009ZY3

CAS No.:14007-39-7 MDL No.: MFCD30533815

MF: C5H11Cl3Si MW: 205.5853

Pricing and Availability

Potassium (S)-2-aminosuccinate(1:x)

Catalog No.: AA01DPYD

CAS No.:14007-45-5 MDL No.: MFCD00021083

MF: C4H5K2NO4 MW: 209.2834

Pricing and Availability

2-(Diethylamino)ethyl 2-phenylbutanoate

Catalog No.: AA009AAZ

CAS No.:14007-64-8 MDL No.: MFCD00865223

MF: C16H25NO2 MW: 263.3752

Pricing and Availability

(4-cyclopropoxyphenyl)methanol

Catalog No.: AA0292MW

CAS No.:1400701-35-0 MDL No.: MFCD28517339

MF: C10H12O2 MW: 164.2011

Pricing and Availability

Catalog No.: AA023QTN

CAS No.:1400701-41-8 MDL No.:

MF: MW:

Pricing and Availability

2,5-Dichloro-4-nitropyridine

Catalog No.: AA00HVNL

CAS No.:1400701-63-4 MDL No.: MFCD28648163

MF: C5H2Cl2N2O2 MW: 192.9876

Pricing and Availability

methyl 4-cyclopropanecarbonylbenzoate

Catalog No.: AA0281IQ

CAS No.:1400701-82-7 MDL No.: MFCD28107521

MF: C12H12O3 MW: 204.2219

Pricing and Availability

(4-bromo-2-chlorophenyl)(cyclopropyl)methanone

Catalog No.: AA01AUY5

CAS No.:1400701-89-4 MDL No.: MFCD27959413

MF: C10H8BrClO MW: 259.5269

Pricing and Availability

(7-fluoro-2,3-dihydro-1H-inden-5-yl)methanol

Catalog No.: AA027W5F

CAS No.:1400701-99-6 MDL No.: MFCD32903869

MF: C10H11FO MW: 166.1921

Pricing and Availability

6-bromo-4-fluoro-2,3-dihydro-1H-indene

Catalog No.: AA028W97

CAS No.:1400702-00-2 MDL No.: MFCD28637644

MF: C9H8BrF MW: 215.0622

Pricing and Availability

Catalog No.: AA021TJH

CAS No.:1400702-16-0 MDL No.:

MF: MW:

Pricing and Availability