Intermediates

8-[(2-hydroxybenzoyl)amino]octanoic acid Product Name:8-[(2-hydroxybenzoyl)amino]octanoic acid Chemical Name:8-[(2-hydroxybenzoyl)amino]octanoic acid CAS NO.:183990-46-7 Mol. Formula:C15H21NO4 Mol. Weight:279.33 Final API:SNAC Purity or Assay:＞99% *All our products under patent are for R&D Synonym: 8-(N-[2-hydroxybenzoyl]amino)caprylicacid;8-[(2-hydroxybenzoyl)amino]octanoicacid;salcaprozicacid;8-(2-hydroxybenzamido)octanoicacid(WX191662);8-[(2-HYDChemicalbookROXYBENZOYL)AMINO]OCTANOICACID;SALCAPROZICACID;8-(2-Hydroxybenzamido)octanoicacid;Octanoicacid,8-[(2-hydroxybenzoyl)amino]-;Butanoicacid,4-chloro-8-oxo-

8-(2,4-dioxo-1,3-benzoxazin-3-yl)octanoic acid ethyl ester Product Name:8-(2,4-dioxo-1,3-benzoxazin-3-yl)octanoic acid ethyl ester Chemical Name:8-(2,4-dioxo-1,3-benzoxazin-3-yl)octanoic acid ethyl ester CAS NO.:287935-37-9 Mol. Formula:C18H23NO5 Mol. Weight:333.38 Final API:SNAC Purity or Assay:＞99% *All our products under patent are for R&D Synonym: 2H-1,3-Benzoxazine-3(4H)-octanoicacid,2,4-dioxo-,ethylester;Ethyl8-[2,4-Dioxo-2H-benzo[e][1,3]oxazin-3(4H)-yl]ocChemicalbooktanoate;2H-1,3-Benzoxazine-3(4H)-octanoicacid,2,4-dioxo-,ethyleste;8-(2-hydroxybenzamide)sodiumoctanoateimpurityA

1-(cyclohexylmethyl)-2-[(4-ethoxyphenyl)methyl]-N,N-diethylbenzimidazole-5-carboxamide Product Name：1-(cyclohexylmethyl)-2-[(4-ethoxyphenyl)methyl]-N,N-diethylbenzimidazole-5-carboxamide Chemical Name:1-(cyclohexylmethyl)-2-[(4-ethoxyphenyl)methyl]-N,N-diethylbenzimidazole-5-carboxamide CAS NO.:1046140-32-2 Mol. Formula:C28H37N3O2 Mol. Weight:447.62 Final API:Bilastine Purity or Assay:＞99% *All our products under patent are for R&D Synonym: 1-(cyclohexylmethyl)-2-[(4-ethoxyphenyl)methyl]-N,N-diethylbenzimidazole-5-carboxamide;MCHB-1;1H-Benzimidazole-5-carboxamide,1-(cyclohexylChemicalbookmethyl)-2-[(4-ethoxyphenyl)methyl]-N,N-diethyl-;1-(cyclohexylmethyl)-2-[(4-ethoxyphenyl)methyl]-N,N-diethyl-1H-benzimidazole-5-carboxamide

2-Cyanoethyl N,N,N’,N’-Tetraisopropylphosphordiamidite Product Name:2-Cyanoethyl N,N,N’,N’-Tetraisopropylphosphordiamidite Chemical Name:2-Cyanoethyl N,N,N’,N’-Tetraisopropylphosphordiamidite CAS NO.:102691-36-1 Mol. Formula:C15H32N3OP Mol. Weight:301.41 Final API:Nucleic Acids Purity or Assay:＞99% *All our products under patent are for R&D Synonym:2-Cyanoethyl N,N,N′,N′-tetraisopropylphosphordiamidite;2-Cyanoethyl N,N,N’,N’-tetraisopropylphosphordiamidite;3-bis[di(propan-2-yl)amino]phosphanyloxypropanenitrile

Saxagliptin N-2 Product Name:Saxagliptin N-2 Chemical Name:tert-butyl N-[(1S)-2-[(1S,3S,5S)-3-carbamoyl-2-azabicyclo[3.1.0]hexan-2-yl]-1-(3-hydroxy-1-adamantyl)-2-oxoethyl]carbamate CAS NO.:361442-01-5 Mol. Formula::C23H35N3O5 Mol. Weight:433.55 Final API:Saxagliptin Purity or Assay:＞99% *All our products under patent are for R&D Synonym: Carbamic acid,N-[(1S)-2-[(1S,3S,5S)-3-(aminocarbonyl)-2-azabicyclo[3.1.0]hex-2-yl]-1-(3-hydroxytricyclo[3.3.1.13,7]dec-1-yl)-2-oxoethyl]-,1,1-dimethylethyl ester;(S)-N-Boc-3-hydroxyadamantylglycine-L-cis-4,5-methanoprolinamide;[(1S)-2-[(1S,3S,5S)-3-(aminocarbonyl)-2-azabicyclo[3.1.0]hex-2-yl]-1-(3-hydroxy-tricyclo[3.3.1.13,7]dec-1-yl)-2-oxoethyl]-carbamic acid 1,1-dimethyl-ethyl ester

Saxagliptin N-1 Product Name:Saxagliptin N-1 Chemical Name:Tert-butyl ((1S)-2-((1S,3S,5S)-3-cyano-2-azabicyclo[3.1.0]hex-2-yl)-1-(3-hydroxyadamantan-1-yl)-2-oxoethyl)carbamate CAS NO.:709031-43-6 Mol. Formula:C23H33N3O4 Mol. Weight:415.53 Final API:Saxagliptin Purity or Assay:＞99% *All our products under patent are for R&D Synonym: Boc-saxagliptin;tert-butyl N-[(1S)-2-[(1S,3S,5S)-3-cyano-2-azabicyclo[3.1.0]hexan-2-yl]-1-[(5R,7S)-3-hydroxy-1-adamantyl]-2-oxoethyl]carbamate;N-[(1S)-2-[(1S,3S,5S)-3-CYANO-2-AZABICYCLO[3.1.0]HEX-2-YL]-1-(3-HYDROXYTRICYCLO[3.3.1.13,7]DEC-1-YL)-2-OXOETHYL]CARBAMIC ACID 1,1-DIMETHYLETHYL ESTER

4-(3-Fluorbenzyloxy)benzaldehyd Product Name：4-(3-Fluorbenzyloxy)benzaldehyd Chemical Name:4-(3-Fluorbenzyloxy)benzaldehyd CAS NO.:66742-57-2 Mol. Formula:C14H11FO2 Mol. Weight:230.23 Final API:Safinamide Purity or Assay:＞99% *All our products under patent are for R&D Synonym: Hexylsulfonic Acid Sodium Salt

N2-{4-[(3-Fluorbenzyl)oxy]benzyl}-L-alaninamid Product Name：N2-{4-[(3-Fluorbenzyl)oxy]benzyl}-L-alaninamid Chemical Name:N2-{4-[(3-Fluorbenzyl)oxy]benzyl}-L-alaninamid CAS NO.:133865-89-1 Mol. Formula:C17H19FN2O2 Mol. Weight:302.34 Final API:Safinamide Purity or Assay:＞99% *All our products under patent are for R&D Synonym: (S)-2-[[4-[(3-Fluorobenzyl)oxy]benzyl]amino]propionamide;(S)-(+)-2-[4-(3-fluorobenzyloxy)benzylamino]-propanamide;(2S)-2-[4-(3-fluorobenzyloxy)benzylamino]propionamide

(R)-((2R,5S)-5-(4-aminobenzyl)pyrrolidin-2-yl)(phenyl)methanol Product Name：(R)-((2R,5S)-5-(4-aminobenzyl)pyrrolidin-2-yl)(phenyl)methanol Chemical Name:(R)-((2R,5S)-5-(4-aminobenzyl)pyrrolidin-2-yl)(phenyl)methanol CAS NO.:1295539-30-8 Mol. Formula:C18H22N2O Mol. Weight:282.38 Final API:Vibegron/MB-07133 Purity or Assay:＞99% *All our products under patent are for R&D Synonym: 2-Pyrrolidinemethanol, 5-[(4-aminophenyl)methyl]-α-phenyl-, (αR,2R,5S)-

4-Chloro-7-(p-toluenesulfonyl)-7H-pyrrolo[2,3-d]pyrimidine Product Name:4-Chloro-7-(p-toluenesulfonyl)-7H-pyrrolo[2,3-d]pyrimidine Chemical Name:4-Chloro-7-(p-toluenesulfonyl)-7H-pyrrolo[2,3-d]pyrimidine CAS NO.:479633-63-1 Mol. Formula:C13H10ClN3O2S Mol. Weight:307.75 Final API:Tofacitinib Purity or Assay:＞99% *All our products under patent are for R&D Synonym: 4-Chloro-7-(p-toluenesulfonyl)-7H-pyrrolo[2,3-d]pyrimidine;4-chloro-7-(4-methylphenyl)sulfonylpyrrolo[2,3-d]pyrimidine;

N-Methyl-N-(4-methyl-3-piperidinyl)-1H-pyrrolo[2,3-d]pyrimidin-4-amine Product Name:N-Methyl-N-(4-methyl-3-piperidinyl)-1H-pyrrolo[2,3-d]pyrimidin-4-amine Chemical Name:N-Methyl-N-(4-methyl-3-piperidinyl)-1H-pyrrolo[2,3-d]pyrimidin-4-amine CAS NO.:477600-74-1 Mol. Formula:C13H19N5 Mol. Weight:245.32 Final API:Tofacitinib Purity or Assay:＞99% *All our products under patent are for R&D Synonym: N-methyl-N-((3R,4R)-4-methylpiperidin-3-yl)-7H-pyrrolo[2,3-d]pyrimidin-4-amine;N-Methyl-N-((3R,4R)-4-Methylpiperidin-3-yl)-7HMethylpiperidin-3-yl)-7Hpyrrolo[2,3-d]pyriMidin-4-aMine;(3R,4R)-N,4-diMethyl-N-{7H-pyrrolo[2,3-d]pyriMidin-4-yl}piperidin-3-aMine;7H-Pyrrolo[2,3-d]pyriMidin-4Chemicalbook-aMine,N-Methyl-N-[(3R,4R)-4-Methyl-3-piperidinyl]-;N-Methyl-N-((3R,4R)-4-Methyl-piperidin-3-yl)-N-Methyl-7H-pyrrolo[2,3-d]pyriMidin-4-aMine;Tofacitinib-11;TofacitinibN-Descyanoacetyl;Tofacitinibimpurity7/N-methyl-N-((3R,4R)-4-methylpiperidin-3-yl)-7H-pyrrolo[2,3-d]pyrimidin-4-amine

Tert-butyl 4-(1H-benzimidazol-2-yl)piperidine-1-carboxylate Product Name：tert-butyl 4-(1H-benzimidazol-2-yl)piperidine-1-carboxylate Chemical Name:tert-butyl 4-(1H-benzimidazol-2-yl)piperidine-1-carboxylate CAS NO.:953071-73-3 Mol. Formula:C17H23N3O2 Mol. Weight:301.38 Final API:Bilastine Purity or Assay:＞99% *All our products under patent are for R&D Synonym: tert-butyl 4-(1H-benzimidazol-2-yl)piperidme-1-carboxylate;TERT-BUTYL 4-(1H-BENZO[D]IMIDAZOL-2-YL)PIPERIDINE-1-CARBOXYLATE;4-(1H-benzoimidazol-2-yl)-piperidine-1-carboxylic acid tert-butyl ester

Methyl 2-(4-(2-chloroethyl)phenyl)-2-methylpropanoate Product Name：methyl 2-(4-(2-chloroethyl)phenyl)-2-methylpropanoate Chemical Name:methyl 2-(4-(2-chloroethyl)phenyl)-2-methylpropanoate CAS NO.:1181267-33-3 Mol. Formula:C13H17ClO2 Mol. Weight:240.73 Final API:Bilastine Purity or Assay:＞99% *All our products under patent are for R&D Synonym: methyl2-(4-(2-chloroethyl)phenyl)-2-methylpropanoate;Benzeneaceticacid,4-(2-chloroethyl)-α,α-dimethyl-,methylester;BilastineImpurity17;Methyl2-(4-(2-chloroethyl)phenyl)-2-methylpropanoateQ:WhatisMethyl2-(4-(2-chloroethyl)phenyl)-2-methyChemicalbooklpropanoateQ:WhatistheCASNumberofMethyl2-(4-(2-chloroethyl)phenyl)-2-methylpropanoate;Methyl2-(4-(2-chloroethyl)phenyl)2-methylpropanoate(BLS-III);Methyl4-(2-Chloroethyl)-α,α-dimethylbenzeneacetate;BilastineImpurity09;PilastineImpurity9

Carsalam Product Name：Carsalam Chemical Name:2H-1,3-Benzoxazine-2,4(3H)-dione CAS NO.:2037-95-8 Mol. Formula:C8H5NO3 Mol. Weight:163.13 Final API:SNAC Purity or Assay:＞99% *All our products under patent are for R&D Synonym: beaprine;carsalam;oxophenhydroxazine;ruhmal;TIMTEC-BB SBB003929;1,3-BENZOXAZINE-2,4-DIONE;2H-1,3-Benzoxazine-2,4(3H)-dione 98%;CAS:2037-95-8

Salcaprozate sodium Product Name:Salcaprozate sodium Chemical Name:8-[(2-hydroxybenzoyl)amino]octanoate CAS NO.:203787-91-1 Mol. Formula:C15H22NNaO4 Mol. Weight:301.32 Final API:Semaglutide/Heparin/Insulin Purity or Assay:＞99% *All our products under patent are for R&D Synonym: sodium,8-[(2-hydroxybenzoyl)amino]octanoate;sodium8-(2-hydroxybenzamido)octanoate;Octanoicacid,8-[(2-hydroxybenzoyl)amino]-,monosodiumsalt;ChemicalbookSNAC;SNAC,sodium8-[(2-hydroxybenzoyl)amino]octanoate;Salcaprozatesodium;SalcaprozateSodium(SNAC);SODIUM8-(2-HYDROXYBENZAMIDO)OCTANOATE(SNAC)

2-[1-[(2-fluorophenyl)methyl]pyrazolo[3,4-b]pyridin-3-yl]-5-[(E)-phenylazo]pyrimidine-4,6-diamine Product Name:2-[1-[(2-fluorophenyl)methyl]pyrazolo[3,4-b]pyridin-3-yl]-5-[(E)-phenylazo]pyrimidine-4,6-diamine Chemical Name:2-[1-[(2-fluorophenyl)methyl]pyrazolo[3,4-b]pyridin-3-yl]-5-[(E)-phenylazo]pyrimidine-4,6-diamine CAS NO.:370879-49-5 Mol. Formula:C23H18FN9 Mol. Weight:439.46 Final API:Riociguat Purity or Assay:＞99% *All our products under patent are for R&D Synonym: 4,6-Pyrimidinediamine,2-[1-[(2-fluorophenyl)methyl]-1H-pyrazolo[3,4-b]pyridin-3-yl]-5-[(1E)-2-phenyldiazChemicalbookenyl]-;2-[1-[(2-fluorophenyl)methyl]pyrazolo[3,4-b]pyridin-3-yl]-5-[(E)-phenylazo]pyrimidine-4,6-diamine

2-[1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl]pyrimidine-4,5,6-triamine Product Name:2-[1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl]pyrimidine-4,5,6-triamine Chemical Name:2-[1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl]pyrimidine-4,5,6-triamine CAS NO.:428854-24-4 Mol. Formula:C18H16FN7 Mol. Weight:349.37 Final API:Riociguat Purity or Assay:＞99% *All our products under patent are for R&D Synonym: 2-[1-(2-Fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl]pyrimidine-4,5,6-triamine;2-(1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl)pyrimidine-4,5,6-triamine;Riociguat intermediate

Methyl [4,6-diaMino-2-[1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl]pyriMidin-5-yl]carbaMate Product Name:Methyl [4,6-diaMino-2-[1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl]pyriMidin-5-yl]carbaMate Chemical Name:Methyl [4,6-diaMino-2-[1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl]pyriMidin-5-yl]carbaMate CAS NO.:625115-52-8 Mol. Formula:C19H17FN8O2 Mol. Weight:408.4 Final API:Riociguat Purity or Assay:＞99% *All our products under patent are for R&D Synonym: Carbamic acid,N-(4,6-diamino-2-(1-((2-fluorophenyl)methyl)-1H-pyrazolo(3,4-b)pyridin-3-yl)-5-pyrimidinyl)-,methyl ester;Carbamic acid,(4,6-diamino-2-(1-((2-fluorophenyl)methyl)-1H-pyrazolo(3,4-b)pyridin-3-yl)-5-pyrimidinyl)-,methyl ester;Nelociguat

2-[5-Fluoro-1-[(2-fluorophenyl)methyl]-1H-pyrazolo[3,4-b]pyridin-3-yl]-5-(2-phenyldiazenyl)-4,6-pyrimidinediamine Product Name:2-[5-Fluoro-1-[(2-fluorophenyl)methyl]-1H-pyrazolo[3,4-b]pyridin-3-yl]-5-(2-phenyldiazenyl)-4,6-pyrimidinediamine Chemical Name:2-[5-Fluoro-1-[(2-fluorophenyl)methyl]-1H-pyrazolo[3,4-b]pyridin-3-yl]-5-(2-phenyldiazenyl)-4,6-pyrimidinediamine CAS NO.:1361570-29-7 Mol. Formula:C23H17F2N9 Mol. Weight:457.45 Final API:Vericiguat Purity or Assay:＞99% *All our products under patent are for R&D Synonym: 2-[5-Fluoro-1-[(2-fluorophenyl)methyl]-1H-pyrazolo[3,4-b]pyridin-3-yl]-5-(2-phenyldiazenyl)-4,6-pyrimidinediamine;VericigChemicalbookuatImpurity18;(Z)-2-(5-Fluoro-1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl)-5-(phenyldiazenyl)pyrimidine-4,6-diamine

2-[5-fluoro-1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl]pyrimidine-4,5,6-triamine Product Name:2-[5-fluoro-1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl]pyrimidine-4,5,6-triamine Chemical Name:2-[5-fluoro-1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl]pyrimidine-4,5,6-triamine CAS NO.:1350653-30-3 Mol. Formula:C17H14F2N8 Mol. Weight:368.35 Final API:Vericiguat Purity or Assay:＞99% *All our products under patent are for R&D Synonym: 2-[5-fluoro-1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl]pyrimidine-4,5,6-triamine;4,5,6-Pyrimidinetriamine,2-[5-fluoro-1-[(2-fluorophenyl)methyl]-1H-pyrazolo[3,4-b]pyridin-3-yl]-;VericiguatImpurChemicalbookity1Q:WhatisVericiguatImpurity1Q:WhatistheCASNumberofVericiguatImpurity1;2-{5-fluoro-1-[(2-fluorophenyl)methyl]-1H-pyrazolo[3,4-b]pyridin-3-yl}pyrimidine-4,5,6-triamine;VericiguatImpurity14;Velicipate4