Chem Catalog
![Acetic acid, [(aminocarbonyl)[[5-(4-nitrophenyl)-2-furanyl]methylene]hydrazino]-, ethyl ester](https://static.wixstatic.com/media/56f589_bc03a75e940a41a397bfe4e4492ccce1~mv2.jpg/v1/fill/w_500,h_500,fp_0.50_0.50,q_90/56f589_bc03a75e940a41a397bfe4e4492ccce1~mv2.jpg)
Acetic acid, [(aminocarbonyl)[[5-(4-nitrophenyl)-2-furanyl]methylene]hydrazino]-, ethyl ester
CAS Number: 55227-60-6

1,5-Anthracenedicarbonitrile, 9,10-dihydro
CAS Number: 876274-68-9

Anthracene, 1,5-dichloro-9,10-dihydro
CAS Number: 876274-67-8

Benzeneacetonitrile, 3-amino
CAS Number: 4623-24-9
![1,2-Benzenedicarbonitrile, 3,6-bis[2-[(tetrahydro-2H-pyran-2-yl)oxy]ethoxy]](https://static.wixstatic.com/media/56f589_8adf719621fe4457a5c360151f22db0c~mv2.jpg/v1/fill/w_500,h_500,fp_0.50_0.50,q_90/56f589_8adf719621fe4457a5c360151f22db0c~mv2.jpg)
1,2-Benzenedicarbonitrile, 3,6-bis[2-[(tetrahydro-2H-pyran-2-yl)oxy]ethoxy]
CAS Number: 1400998-10-8

Benzenesulfonamide, 4-(β-D-glucopyranosylamino)-N-(5-methyl-3-isoxazolyl)
CAS Number: 119691-75-7

Benzoic acid, 2,3,4-trifluoro-5-methoxy
CAS Number: 38233-47-5

8-Epi-Tacrolimus
CAS Number: 129212-35-7

Tacrolimus
CAS Number: 104987-11-3

8-Propyl-Tacrolimus Dihydro-Tacrolimus
CAS Number: 104987-30-6

1,2,3-Trithiane-4-pentanoic acid
CAS Number: 1204245-29-3

3,6,9-Trioxa-12-thia-2-azatetradecanoic acid, 13-oxo-, 1,1-dimethylethyl ester
CAS Number: 252378-78-2
![4-Thia-1azabicyclo[3.2.0]heptane-2-carboxylic acid, 6-bromo-3,3-dimethyl-7-oxo-, potassium salt, [2S-(2α,5α,6β)]-](https://static.wixstatic.com/media/56f589_e894f1cd876842b79e759b7b645b9dd7~mv2.jpg/v1/fill/w_500,h_500,fp_0.50_0.50,q_90/56f589_e894f1cd876842b79e759b7b645b9dd7~mv2.jpg)
4-Thia-1azabicyclo[3.2.0]heptane-2-carboxylic acid, 6-bromo-3,3-dimethyl-7-oxo-, potassium salt, [2S-(2α,5α,6β)]-
CAS Number: 4027-64-9
![3-Quinolinecarboxylic acid, 1-cyclopropyl-8-fluoro-1,4-dihydro-6-methoxy-7-[(4aS,7aS)-octahydro-6H-pyrrolo[3,4-b]pyridin-6-yl]-4-oxo](https://static.wixstatic.com/media/56f589_d34296793e5044d480b7dcf9d91bbc20~mv2.jpg/v1/fill/w_500,h_500,fp_0.50_0.50,q_90/56f589_d34296793e5044d480b7dcf9d91bbc20~mv2.jpg)
3-Quinolinecarboxylic acid, 1-cyclopropyl-8-fluoro-1,4-dihydro-6-methoxy-7-[(4aS,7aS)-octahydro-6H-pyrrolo[3,4-b]pyridin-6-yl]-4-oxo
Moxifloxacin Related impurity D
CAS Number: 1029364-77-9
CAS Number: 1029364-77-9

3-Quinolinecarboxylic acid, 1-cyclopropyl-7,8-difluoro-1,4-dihydro-6-methoxy-4-oxo
CAS Number:

4-Pyridineoctanoic acid, N-oxide
CAS Number:

4-Pyridineoctanoic acid, hydrochloride (1:1)
CAS Number: 78774-99-9

Propanoic acid, 2-(N,N-dimethylamino)-, dodecyl ester
CAS Number: 224297-43-2

Propanoic acid, 2-bromo-, dodecyl ester
CAS Number: 74988-05-9
![Propanoic acid, 3-[[[2-[(aminoiminomethyl)amino]-4-thiazolyl]methyl]thio] Famotidine Impurity F](https://static.wixstatic.com/media/56f589_44b63168b0354913ad4afd5cecb8085c~mv2.jpg/v1/fill/w_500,h_500,fp_0.50_0.50,q_90/56f589_44b63168b0354913ad4afd5cecb8085c~mv2.jpg)
Propanoic acid, 3-[[[2-[(aminoiminomethyl)amino]-4-thiazolyl]methyl]thio] Famotidine Impurity F
CAS Number: 107880-74-0
![Propanimidamide, 3-[[[2-[(aminoiminomethyl)amino]-4-thiazolyl]methyl]thio]- Famotidine Impurity A](https://static.wixstatic.com/media/56f589_038dec70336843179dfce9318ff462d6~mv2.jpg/v1/fill/w_500,h_500,fp_0.50_0.50,q_90/56f589_038dec70336843179dfce9318ff462d6~mv2.jpg)
Propanimidamide, 3-[[[2-[(aminoiminomethyl)amino]-4-thiazolyl]methyl]thio]- Famotidine Impurity A
CAS Number: 124646-10-2
![Propanimidamide, 3-[[[2-[(aminoiminomethyl)amino]-4-thiazolyl]methyl]sulfinyl]-N-(aminosulfonyl)- Famotidine Impurity C](https://static.wixstatic.com/media/56f589_047e09fded1f4f9cb2e069f987343952~mv2.jpg/v1/fill/w_500,h_500,fp_0.50_0.50,q_90/56f589_047e09fded1f4f9cb2e069f987343952~mv2.jpg)
Propanimidamide, 3-[[[2-[(aminoiminomethyl)amino]-4-thiazolyl]methyl]sulfinyl]-N-(aminosulfonyl)- Famotidine Impurity C
CAS Number: 90237-03-9
![Propanamide, 3-[[[2-[(aminoiminomethyl)amino]-4-thiazolyl]methyl]thio]- Famotidine Impurity D](https://static.wixstatic.com/media/56f589_7c83a0d7cd7f4282891b7df0e0ac06c0~mv2.jpg/v1/fill/w_500,h_500,fp_0.50_0.50,q_90/56f589_7c83a0d7cd7f4282891b7df0e0ac06c0~mv2.jpg)
Propanamide, 3-[[[2-[(aminoiminomethyl)amino]-4-thiazolyl]methyl]thio]- Famotidine Impurity D
CAS Number: 76824-16-3
![1-Piperazineacetic acid, 4-[(3-nitrophenyl)methyl]-, 2-[[2-hydroxy-3-(2-propen-1-yl)phenyl]methylene]hydrazide](https://static.wixstatic.com/media/56f589_508bd33ed3cb4a79b380ab0d2e07239e~mv2.jpg/v1/fill/w_500,h_500,fp_0.50_0.50,q_90/56f589_508bd33ed3cb4a79b380ab0d2e07239e~mv2.jpg)
1-Piperazineacetic acid, 4-[(3-nitrophenyl)methyl]-, 2-[[2-hydroxy-3-(2-propen-1-yl)phenyl]methylene]hydrazide
CAS Number: 1187960-36-6
![L-Ornithine, N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-valyl-N5-(aminocarbonyl)-](https://static.wixstatic.com/media/56f589_91037933b2a9477ca712516fb8edff0f~mv2.jpg/v1/fill/w_500,h_500,fp_0.50_0.50,q_90/56f589_91037933b2a9477ca712516fb8edff0f~mv2.jpg)
L-Ornithine, N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-valyl-N5-(aminocarbonyl)-
CAS Number: 159858-21-6
![L-Ornithinamide, N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-valyl-N5-(aminocarbonyl)-N-[4-[[[(4-nitrophenoxy)carbonyl] oxy]methyl]phenyl]-](https://static.wixstatic.com/media/56f589_efbec59110584270a398da383930d378~mv2.jpg/v1/fill/w_500,h_500,fp_0.50_0.50,q_90/56f589_efbec59110584270a398da383930d378~mv2.jpg)
L-Ornithinamide, N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-valyl-N5-(aminocarbonyl)-N-[4-[[[(4-nitrophenoxy)carbonyl] oxy]methyl]phenyl]-
CAS Number: 863971-53-3
![L-Ornithinamide, N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-valyl-N5-(aminocarbonyl)-N-[4-(hydroxymethyl)phenyl]-](https://static.wixstatic.com/media/56f589_7e15ce9b67174c359c87f0b1601f0a7f~mv2.jpg/v1/fill/w_500,h_500,fp_0.50_0.50,q_90/56f589_7e15ce9b67174c359c87f0b1601f0a7f~mv2.jpg)
L-Ornithinamide, N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-valyl-N5-(aminocarbonyl)-N-[4-(hydroxymethyl)phenyl]-
CAS Number: 159858-22-7
![5,12-Naphthacenedione, 7,8,9,10-tetrahydro-6,8,11-trihydroxy-8-(2-hydroxyacetyl)-1-methoxy-10-[[2,3,6-trideoxy-3-[[[[4-[[L-valyl-N5-(aminocarbonyl)-L-ornithyl]amino]phenyl]methoxy] carbonyl]amino]-α-L-lyxo-hexopyranosyl]oxy]-, (8S,10S)-](https://static.wixstatic.com/media/56f589_780306b3a1be4d0ba9ccbe008cfc2768~mv2.jpg/v1/fill/w_500,h_500,fp_0.50_0.50,q_90/56f589_780306b3a1be4d0ba9ccbe008cfc2768~mv2.jpg)
5,12-Naphthacenedione, 7,8,9,10-tetrahydro-6,8,11-trihydroxy-8-(2-hydroxyacetyl)-1-methoxy-10-[[2,3,6-trideoxy-3-[[[[4-[[L-valyl-N5-(aminocarbonyl)-L-ornithyl]amino]phenyl]methoxy] carbonyl]amino]-α-L-lyxo-hexopyranosyl]oxy]-, (8S,10S)-
CAS Number: 1022094-34-3
![1H-Isoindol-3-amine, 1-imino-4,7-bis[2-[(tetrahydro-2H-pyran-2-yl)oxy]ethoxy]-](https://static.wixstatic.com/media/56f589_3ff2aa27a5c9407e88d66be5a2037a35~mv2.jpg/v1/fill/w_500,h_500,fp_0.50_0.50,q_90/56f589_3ff2aa27a5c9407e88d66be5a2037a35~mv2.jpg)
1H-Isoindol-3-amine, 1-imino-4,7-bis[2-[(tetrahydro-2H-pyran-2-yl)oxy]ethoxy]-
CAS Number: 1400998-11-9

1H-Indole-3-propanoic acid, alpha-amino-2,3-dihydro-3-hydroxy-2-oxo-, (αS)-
CAS Number: 236094-74-9

1H-Indole-3-propanoic acid, alpha-amino-2,3-dihydro-2-oxo-, (αS)-
CAS Number: 184955-21-3
![1-Hydroxymethyl-Indole-5-methanesulfonamide, 3-[2-(dimethylamino)ethyl]-N-methyl, succinate](https://static.wixstatic.com/media/56f589_f39af91afa3f4008b5d0225c7ed22349~mv2.jpg/v1/fill/w_500,h_500,fp_0.50_0.50,q_90/56f589_f39af91afa3f4008b5d0225c7ed22349~mv2.jpg)
1-Hydroxymethyl-Indole-5-methanesulfonamide, 3-[2-(dimethylamino)ethyl]-N-methyl, succinate
CAS Number:
![3,6,13,16,23,26-hexaoxatetracyclo[26.2.2.28,11.218,21]hexa-triaconta-8,10,18,20,28,30,31,33,35-nonaene-2,7,12,17,22,27-hexone](https://static.wixstatic.com/media/56f589_79b2dc3595af4ae7b0c6fc21893989c4~mv2.jpg/v1/fill/w_500,h_500,fp_0.50_0.50,q_90/56f589_79b2dc3595af4ae7b0c6fc21893989c4~mv2.jpg)
3,6,13,16,23,26-hexaoxatetracyclo[26.2.2.28,11.218,21]hexa-triaconta-8,10,18,20,28,30,31,33,35-nonaene-2,7,12,17,22,27-hexone
CAS Number: 7441-32-9

Hexanoic acid, 2-methylene-
CAS Number: 4380-88-5

Hexanoic acid, 6-mercapto-, hydrazide
CAS Number: 329038-67-7

Hexanoic acid, 2-(bromomethyl)-
CAS Number: 24801-44-3
![Guanidine, N,N'''-[dithiobis(methylene-4,2-thiazolediyl)]bis-](https://static.wixstatic.com/media/56f589_8640c7da171549cd81a5a28c04e6375d~mv2.jpg/v1/fill/w_500,h_500,fp_0.50_0.50,q_90/56f589_8640c7da171549cd81a5a28c04e6375d~mv2.jpg)
Guanidine, N,N'''-[dithiobis(methylene-4,2-thiazolediyl)]bis-
CAS Number: 129083-44-9
Famotidine Impurity E
Famotidine Impurity E
![Guanidine, N,N'''-[(1,1-dioxido-2H-1,2,4,6-thiatriazine-3,5-diyl)bis(2,1-ethanediylthiomethylene-4,2-thiazolediyl)]bis-](https://static.wixstatic.com/media/56f589_0536906b76974b2da8bf30a660325d85~mv2.jpg/v1/fill/w_500,h_500,fp_0.50_0.50,q_90/56f589_0536906b76974b2da8bf30a660325d85~mv2.jpg)
Guanidine, N,N'''-[(1,1-dioxido-2H-1,2,4,6-thiatriazine-3,5-diyl)bis(2,1-ethanediylthiomethylene-4,2-thiazolediyl)]bis-
CAS Number: 89268-62-2
Famotidine Impurity B
Famotidine Impurity B
![Ethanethioic acid, S-[6-[[[(1,1-dimethylethoxy)carbonyl]amino]oxy]hexyl] ester](https://static.wixstatic.com/media/56f589_600e84b8bac640cb9e7db67ebef50a86~mv2.jpg/v1/fill/w_500,h_500,fp_0.50_0.50,q_90/56f589_600e84b8bac640cb9e7db67ebef50a86~mv2.jpg)
Ethanethioic acid, S-[6-[[[(1,1-dimethylethoxy)carbonyl]amino]oxy]hexyl] ester
CAS Number: 252378-83-9

1,3-Dioxane-5-carboxylic acid, 2,2,5-trimethyl-, 5,5'-anhydride
CAS Number: 408322-03-2

1,3-Dioxane-5-carboxylic acid, 2,2,5-trimethyl-
CAS Number: 16837-14-2