Watson International Ltd

5-((1S,4S)-2-oxa-5-azabicyclo[2.2.1]heptan-5-yl)-N-(3-(difluoromethyl)-1-((1r,4r)-4-formylcyclohexyl)-1H-pyrazol-4-yl)pyrazolo[1,5-a]pyrimidine-3-carboxamide CAS 5632-47-3
5632-47-3,5-((1S,4S)-2-oxa-5-azabicyclo[2.2.1]heptan-5-yl)-N-(3-(difluoromethyl)-1-((1r,4r)-4-formylcyclohexyl)-1H-pyrazol-4-yl)pyrazolo[1,5-a]pyrimidine-3-carboxamide,813936
Read more
- Key Categories,
- Organic Building Blocks
5-(4-bromophenyl)pyrrolidin-2-one CAS 1344151-03-6
1344151-03-6,5-(4-bromophenyl)pyrrolidin-2-one,
Read more
- Key Categories,
- Organic Building Blocks
1-[(2R,3R,4S,5R)-5-[(bis(4-methoxyphenyl)(phenyl)methoxy)methyl]-3-hydroxy-4-(2-methoxyethoxy)oxolan-2-yl]-5-methyl-1,2,3,4-tetrahydropyrimidine-2,4-dione CAS 256223-93-5
256223-93-5,1-[(2R,3R,4S,5R)-5-[(bis(4-methoxyphenyl)(phenyl)methoxy)methyl]-3-hydroxy-4-(2-methoxyethoxy)oxolan-2-yl]-5-methyl-1,2,3,4-tetrahydropyrimidine-2,4-dione,
Read more
- Key Categories,
- Organic Building Blocks
N-(9-[(2R,3R,4S,5R)-5-[(bis(4-methoxyphenyl)(phenyl)methoxy)methyl]-3-hydroxy-4-(2-methoxyethoxy)oxolan-2-yl]-9H-purin-6-yl)benzamide CAS 1452849-90-9
1452849-90-9,N-(9-[(2R,3R,4S,5R)-5-[(bis(4-methoxyphenyl)(phenyl)methoxy)methyl]-3-hydroxy-4-(2-methoxyethoxy)oxolan-2-yl]-9H-purin-6-yl)benzamide,
Read more
- Key Categories,
- Organic Building Blocks
3-[({[(2R,3R,4R,5R)-5-[(bis(4-methoxyphenyl)(phenyl)methoxy)methyl]-4-(2-methoxyethoxy)-2-(5-methyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-1-yl)oxolan-3-yl]oxy}(bis(propan-2-yl)amino)phosphanyl)oxy]propanenitrile CAS 1799316-64-5
1799316-64-5,3-[({[(2R,3R,4R,5R)-5-[(bis(4-methoxyphenyl)(phenyl)methoxy)methyl]-4-(2-methoxyethoxy)-2-(5-methyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-1-yl)oxolan-3-yl]oxy}(bis(propan-2-yl)amino)phosphanyl)oxy]propanenitrile,
Read more
- Key Categories,
- Organic Building Blocks
3-[({[(2R,3R,4R,5R)-5-[(bis(4-methoxyphenyl)(phenyl)methoxy)methyl]-2-(2,4-dioxo-1,2,3,4-tetrahydropyrimidin-1-yl)-4-(2-methoxyethoxy)oxolan-3-yl]oxy}(bis(propan-2-yl)amino)phosphanyl)oxy]propanenitrile CAS 2271305-39-4
2271305-39-4,3-[({[(2R,3R,4R,5R)-5-[(bis(4-methoxyphenyl)(phenyl)methoxy)methyl]-2-(2,4-dioxo-1,2,3,4-tetrahydropyrimidin-1-yl)-4-(2-methoxyethoxy)oxolan-3-yl]oxy}(bis(propan-2-yl)amino)phosphanyl)oxy]propanenitrile,
Read more
- Key Categories,
- Organic Building Blocks
3-[(4,4-bis(octyloxy)butanoyl)oxy]-2-({[(3-(diethylamino)propoxy)carbonyl]oxy}methyl)propyl (9Z,12Z)-octadeca-9,12-dienoate CAS 2254801-03-9
2254801-03-9,3-[(4,4-bis(octyloxy)butanoyl)oxy]-2-({[(3-(diethylamino)propoxy)carbonyl]oxy}methyl)propyl (9Z,12Z)-octadeca-9,12-dienoate,
Read more
- Key Categories,
- Organic Building Blocks
N-(9-[(2R,3R,4R,5R)-5-[(bis(4-methoxyphenyl)(phenyl)methoxy)methyl]-3-fluoro-4-hydroxy-3-methyloxolan-2-yl]-9H-purin-6-yl)benzamide CAS 868845-09-4
868845-09-4,N-(9-[(2R,3R,4R,5R)-5-[(bis(4-methoxyphenyl)(phenyl)methoxy)methyl]-3-fluoro-4-hydroxy-3-methyloxolan-2-yl]-9H-purin-6-yl)benzamide,
Read more
- Key Categories,
- Organic Building Blocks

2-[(2S,5R,8S,11S)-8-(4-azidobutyl)-5-benzyl-11-(3-carbamimidamidopropyl)-3,6,9,12,15-pentaoxo-1,4,7,10,13-pentaazacyclopentadecan-2-yl]acetic acid CAS 2096984-25-5
2096984-25-5,2-[(2S,5R,8S,11S)-8-(4-azidobutyl)-5-benzyl-11-(3-carbamimidamidopropyl)-3,6,9,12,15-pentaoxo-1,4,7,10,13-pentaazacyclopentadecan-2-yl]acetic acid,
Read more
- Key Categories,
- Organic Building Blocks
(2S)-2-[(2S)-2-[(2S)-6-amino-2-[(2S)-2-[(2S)-6-amino-2-[(2S)-6-amino-2-[(2S)-6-amino-2-{[(2S)-pyrrolidin-2-yl]formamido}hexanamido]hexanamido]hexanamido]-5-carbamimidamidopentanamido]hexanamido]-3-methylbutanamido]-6-azidohexanoic acid CAS 2036272-55-4
2036272-55-4,(2S)-2-[(2S)-2-[(2S)-6-amino-2-[(2S)-2-[(2S)-6-amino-2-[(2S)-6-amino-2-[(2S)-6-amino-2-{[(2S)-pyrrolidin-2-yl]formamido}hexanamido]hexanamido]hexanamido]-5-carbamimidamidopentanamido]hexanamido]-3-methylbutanamido]-6-azidohexanoic acid,
Read more
- Key Categories,
- Organic Building Blocks
9-[(9-[(2-butyloctanoyl)oxy]nonyl)(3-hydroxypropyl)amino]nonyl 2-butyloctanoate CAS 2089251-47-6
2089251-47-6,9-[(9-[(2-butyloctanoyl)oxy]nonyl)(3-hydroxypropyl)amino]nonyl 2-butyloctanoate,
Read more
- Key Categories,
- Organic Building Blocks
heptadecan-9-yl 8-[(2-hydroxyethyl)(6-oxo-6-(undecyloxy)hexyl)amino]octanoate CAS 20357-21-5
20357-21-5,heptadecan-9-yl 8-[(2-hydroxyethyl)(6-oxo-6-(undecyloxy)hexyl)amino]octanoate,228165
Read more
- Key Categories,
- Organic Building Blocks
N-(1-[(2R,3R,4R,5R)-5-[(bis(4-methoxyphenyl)(phenyl)methoxy)methyl]-3-(2-cyanoethoxy)-4-hydroxyoxolan-2-yl]-2-oxo-1,2-dihydropyrimidin-4-yl)benzamide CAS 956139-16-5
956139-16-5,N-(1-[(2R,3R,4R,5R)-5-[(bis(4-methoxyphenyl)(phenyl)methoxy)methyl]-3-(2-cyanoethoxy)-4-hydroxyoxolan-2-yl]-2-oxo-1,2-dihydropyrimidin-4-yl)benzamide,1366732
Read more
- Key Categories,
- Organic Building Blocks
N-(9-[(2R,6S)-6-(hydroxymethyl)-4-(triphenylmethyl)morpholin-2-yl]-9H-purin-6-yl)benzamide CAS 1117903-25-9
1117903-25-9,N-(9-[(2R,6S)-6-(hydroxymethyl)-4-(triphenylmethyl)morpholin-2-yl]-9H-purin-6-yl)benzamide,
Read more
- Key Categories,
- Organic Building Blocks
1-[(2R,6S)-6-(hydroxymethyl)-6-{[(tris(propan-2-yl)silyl)oxy]methyl}morpholin-2-yl]-1,2,3,4-tetrahydropyrimidine-2,4-dione CAS 1117903-42-0
1117903-42-0,1-[(2R,6S)-6-(hydroxymethyl)-6-{[(tris(propan-2-yl)silyl)oxy]methyl}morpholin-2-yl]-1,2,3,4-tetrahydropyrimidine-2,4-dione,
Read more
- Key Categories,
- Organic Building Blocks

Organic Building Blocks

5-((1S,4S)-2-oxa-5-azabicyclo[2.2.1]heptan-5-yl)-N-(3-(difluoromethyl)-1-((1r,4r)-4-formylcyclohexyl)-1H-pyrazol-4-yl)pyrazolo[1,5-a]pyrimidine-3-carboxamide CAS 5632-47-3

5-(4-bromophenyl)pyrrolidin-2-one CAS 1344151-03-6

1-[(2R,3R,4S,5R)-5-[(bis(4-methoxyphenyl)(phenyl)methoxy)methyl]-3-hydroxy-4-(2-methoxyethoxy)oxolan-2-yl]-5-methyl-1,2,3,4-tetrahydropyrimidine-2,4-dione CAS 256223-93-5

N-(9-[(2R,3R,4S,5R)-5-[(bis(4-methoxyphenyl)(phenyl)methoxy)methyl]-3-hydroxy-4-(2-methoxyethoxy)oxolan-2-yl]-9H-purin-6-yl)benzamide CAS 1452849-90-9

3-[({[(2R,3R,4R,5R)-5-[(bis(4-methoxyphenyl)(phenyl)methoxy)methyl]-4-(2-methoxyethoxy)-2-(5-methyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-1-yl)oxolan-3-yl]oxy}(bis(propan-2-yl)amino)phosphanyl)oxy]propanenitrile CAS 1799316-64-5

3-[({[(2R,3R,4R,5R)-5-[(bis(4-methoxyphenyl)(phenyl)methoxy)methyl]-2-(2,4-dioxo-1,2,3,4-tetrahydropyrimidin-1-yl)-4-(2-methoxyethoxy)oxolan-3-yl]oxy}(bis(propan-2-yl)amino)phosphanyl)oxy]propanenitrile CAS 2271305-39-4

3-[(4,4-bis(octyloxy)butanoyl)oxy]-2-({[(3-(diethylamino)propoxy)carbonyl]oxy}methyl)propyl (9Z,12Z)-octadeca-9,12-dienoate CAS 2254801-03-9

N-(9-[(2R,3R,4R,5R)-5-[(bis(4-methoxyphenyl)(phenyl)methoxy)methyl]-3-fluoro-4-hydroxy-3-methyloxolan-2-yl]-9H-purin-6-yl)benzamide CAS 868845-09-4

2-[(2S,5R,8S,11S)-8-(4-azidobutyl)-5-benzyl-11-(3-carbamimidamidopropyl)-3,6,9,12,15-pentaoxo-1,4,7,10,13-pentaazacyclopentadecan-2-yl]acetic acid CAS 2096984-25-5

(2S)-2-[(2S)-2-[(2S)-6-amino-2-[(2S)-2-[(2S)-6-amino-2-[(2S)-6-amino-2-[(2S)-6-amino-2-{[(2S)-pyrrolidin-2-yl]formamido}hexanamido]hexanamido]hexanamido]-5-carbamimidamidopentanamido]hexanamido]-3-methylbutanamido]-6-azidohexanoic acid CAS 2036272-55-4

9-[(9-[(2-butyloctanoyl)oxy]nonyl)(3-hydroxypropyl)amino]nonyl 2-butyloctanoate CAS 2089251-47-6

heptadecan-9-yl 8-[(2-hydroxyethyl)(6-oxo-6-(undecyloxy)hexyl)amino]octanoate CAS 20357-21-5

N-(1-[(2R,3R,4R,5R)-5-[(bis(4-methoxyphenyl)(phenyl)methoxy)methyl]-3-(2-cyanoethoxy)-4-hydroxyoxolan-2-yl]-2-oxo-1,2-dihydropyrimidin-4-yl)benzamide CAS 956139-16-5

N-(9-[(2R,6S)-6-(hydroxymethyl)-4-(triphenylmethyl)morpholin-2-yl]-9H-purin-6-yl)benzamide CAS 1117903-25-9

1-[(2R,6S)-6-(hydroxymethyl)-6-{[(tris(propan-2-yl)silyl)oxy]methyl}morpholin-2-yl]-1,2,3,4-tetrahydropyrimidine-2,4-dione CAS 1117903-42-0

New Products

Read the statement !

Understand the deails !

Important legal notices !

Organic Building Blocks

New Prod­ucts

Read the statement !

Under­stand the deails !

Impor­tant legal notices !

New Products

Understand the deails !

Important legal notices !