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tert-Butyl 2-(4-(pyridin-2-yl)benzyl)hydrazinecarboxylate

CAS No.
198904-85-7
Chemical Name:
tert-Butyl 2-(4-(pyridin-2-yl)benzyl)hydrazinecarboxylate
Synonyms
Atazanavir Intermediate;1-Boc-2-[4-(2-pyridinyl)benzylidene]hydrazine;Atazanavir Impurity B;Atazanavir Impurity 19;1-BOC-2-PYRIDYLPHENYLMETHYL HYDRAZINE;N-1-(tert-butoxycarbonyl)-N-2-[4-(pyri;tert-Butyl4-(2-pyridyl)benzylcarbazate;phenyl]methyl]-,1,1-dimethylethyl ester;Hydrazinecarboxylic acid,2-[[4-(2-pyridinyl);Hydrazinecarboxylicacid,2-[[4-(2-pyridinyl)pheny
CBNumber:
CB1547452
Molecular Formula:
C17H21N3O2
Molecular Weight:
299.37
MDL Number:
MFCD04035550
MOL File:
198904-85-7.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-05-27 23:39:49
Product description Number Pack Size Price
tert-Butyl 2-(4-(pyridin-2-yl)benzyl)hydrazinecarboxylate 97% B59013 250mg $11
tert-Butyl 2-(4-(pyridin-2-yl)benzyl)hydrazinecarboxylate 97% B59013 1g $56.96
tert-Butyl 2-(4-(pyridin-2-yl)benzyl)hydrazinecarboxylate 97% B59013 5g $60
tert-Butyl 2-(4-(pyridin-2-yl)benzyl)hydrazinecarboxylate 97% B59013 10g $70
tert-Butyl 2-(4-(pyridin-2-yl)benzyl)hydrazinecarboxylate 97% B59013 25g $100
More product size

tert-Butyl 2-(4-(pyridin-2-yl)benzyl)hydrazinecarboxylate Properties

Melting point 74-77 °C
Density 1.117±0.06 g/cm3(Predicted)
storage temp. Keep in dark place,Sealed in dry,Room Temperature
solubility DMSO (Slightly), Methanol (Slightly)
pka 10.38±0.43(Predicted)
form Solid
color White to Pale Yellow
CAS DataBase Reference 198904-85-7(CAS DataBase Reference)

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H335-H315-H319
Precautionary statements  P264-P280-P305+P351+P338-P337+P313P-P264-P280-P302+P352-P321-P332+P313-P362

tert-Butyl 2-(4-(pyridin-2-yl)benzyl)hydrazinecarboxylate price

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Synthonix B59013 tert-Butyl 2-(4-(pyridin-2-yl)benzyl)hydrazinecarboxylate 97% 198904-85-7 250mg $11 2026-05-06 Buy
Synthonix B59013 tert-Butyl 2-(4-(pyridin-2-yl)benzyl)hydrazinecarboxylate 97% 198904-85-7 1g $56.96 2026-05-06 Buy
Synthonix B59013 tert-Butyl 2-(4-(pyridin-2-yl)benzyl)hydrazinecarboxylate 97% 198904-85-7 5g $60 2026-05-06 Buy
Synthonix B59013 tert-Butyl 2-(4-(pyridin-2-yl)benzyl)hydrazinecarboxylate 97% 198904-85-7 10g $70 2026-05-06 Buy
Synthonix B59013 tert-Butyl 2-(4-(pyridin-2-yl)benzyl)hydrazinecarboxylate 97% 198904-85-7 25g $100 2026-05-06 Buy
Product number Packaging Price Buy
B59013 250mg $11 Buy
B59013 1g $56.96 Buy
B59013 5g $60 Buy
B59013 10g $70 Buy
B59013 25g $100 Buy

tert-Butyl 2-(4-(pyridin-2-yl)benzyl)hydrazinecarboxylate Chemical Properties,Uses,Production

Chemical Properties

White Solid

Uses

An intermediate for the preparation of antiviral protease inhibitors.

Synthesis

Step 1: A mixture of 4-(pyridin-2-yl)benzaldehyde X (17.7 g, 96.6 mmol) and tert-butylcarbamate (12.2 g, 92.3 mmol) in ethanol (125 mL) was kept at reflux under nitrogen for 4 hours (h). The reaction mixture was cooled to 40 C and ice (60 g) was added. The resulting mixture was stirred for 20 minutes (min). The precipitate was collected by filtration, washed with water and dried in a vacuum oven (60 C). Product XII, yield 25.0 g, 91%.

Step 2: A solution of the above product (23.15 g, 77.85 mmol) in methanol (350 ml) was treated with 20% palladium activated charcoal (2.3 g, 50% wet) and hydrogenated at 10 psi for 4 hours. The reaction mixture was filtered through diatomaceous earth and the filter cake was washed with methanol and the solvent was removed in a rotary evaporator. The residue was recrystallized with heptane and dried in a vacuum oven (40 C). The product 2-[4-(2-pyridinyl)benzyl]-hydrazinecarboxylic acid tert-butyl ester was obtained in a yield of 2.48 g, 97%.

tert-Butyl 2-(4-(pyridin-2-yl)benzyl)hydrazinecarboxylate Preparation Products And Raw materials

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View Lastest Price from tert-Butyl 2-(4-(pyridin-2-yl)benzyl)hydrazinecarboxylate manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
tert-Butyl 2-(4-(pyridin-2-yl)benzyl)hydrazinecarboxylate pictures 2026-05-29 tert-Butyl 2-(4-(pyridin-2-yl)benzyl)hydrazinecarboxylate
198904-85-7
1KG 98%min 500kg WUHAN FORTUNA CHEMICAL CO., LTD
1-Boc-2-[4-(2-pyridinyl)benzylidene]hydrazine pictures 2026-01-04 1-Boc-2-[4-(2-pyridinyl)benzylidene]hydrazine
198904-85-7
1KG 99% 200 Hangzhou ICH Biofarm Co., Ltd
tert-Butyl 2-(4-(pyridin-2-yl)benzyl)hydrazinecarboxylate pictures 2025-11-19 tert-Butyl 2-(4-(pyridin-2-yl)benzyl)hydrazinecarboxylate
198904-85-7
1kg 98% 1 Ton Shanghai Joiny Pharmaceutical Co.,LTD
2-[[4-(2-Pyridinyl)phenyl]Methyl]-hydrazinecarboxylic acid N-1-(tert-Butyloxycarbonyl)-N-2-[4-(pyridine-2-yl)benzyl] hydrazine [Boc-diaryl hydrazine] T-butyl-2-[4-(pyridin-2-yl)benzyl] hydrazine carboxylate N-1-(TERT-BUTYLOXYCARBONYL)-N-2-(4-PYRID INE-2-YL)-BENZYL)-HYDRAZINE(RE EXP.SHMPT IMPORTED VIDE BE NO:2280170 DT:18.08.15 2-[[4-(2-pyridinyl)phenyl]methyl]-hydrazinecarboxylic acid 1,1-dimethylethyl ester tert-butyl 2-(4-(pyridin-2-yl)benzyl)hydrazinecarboxylate Hydrazinecarboxylic acid, 2-[[4-(2-pyridinyl)phenyl]methyl]-, 1,1-dimethylethyl ester Atazanavir Impurity B Atazanavir Intermediate Atazanavir Impurity 19 2-4-(2-PYRIDINYL)PHENYLMETHYL-HYDRAZINE CARBOXYLATE-1,1-DIMETHYLETHYL ESTER 2-[[4-(2-pyridinyl)phenyl]methyl]-, 1,1-dimethylethyl ester Hydrazinecarboxylicacid,2-[[4-(2-pyridinyl)pheny 1-BOC-2-PYRIDYLPHENYLMETHYL HYDRAZINE 1-Boc-2-[4-(2-pyridinyl)benzylidene]hydrazine N-1-Boc-N-2-[4-(pyridin-2-yl)benzylidene]hydrazine Hydrazinecarboxylic acid,2-[[4-(2-pyridinyl) phenyl]methyl]-,1,1-dimethylethyl ester N'-{[4-(pyridin-2-yl)phenyl]Methyl}(tert-butoxy)carbohydrazide 2-(4-pyridin-2-ylbenzyl)hydrazine carboxylic acid tert-butyl ester N-1-(tert-butoxycarbonyl)-N-2-[4-(pyri 1,1-diMethylethyl-2-[(4-(2-pyridinyl)phenyl]Methyl hydrazine carboxylate 2-[4-(2-pyridinyl)phenyl]-Methylenehydrazinecarboxylicacid1,1-diMethylethylester tert-Butyl 2-(4-(pyridin-2-yl)benzyl)hydrazinecarboxylate [Boc-Hydrazine] tert-Butyl 2-(4-(pyridin-2-yl)benzyl)hydrazinecarboxylate ISO 9001:2015 REACH tert-Butyl 2-(4-(pyridin-2-yl)benzyl) hydrazine carboxylate (T-Boc-Hydrazine) Tert-butyl-2-(4-(pyridine-2-yl)benzyl)hydrazinecarboxylate tert-Butyl 2-(4-(pyridin-2-yl)benzyl)hydrazine-1-carboxylate Atazanavir Impurity B/ 1-Boc-2-[4-(2-pyridinyl)benzylidene]hydrazine N-1-(TERT-BUTYLOXYCARBONYL)-N-2-(4-PYRIDINE-2-YL)-BENZYL HYDRAZINE Hydrazinecarboxylic acid 2-[[4-(2-pyridinyl)phenyl]methyl]-,... tert-Butyl [[2-(4-pyridin-2-yl)benzyl)hydrazine carboxylateQ: What is tert-Butyl [[2-(4-pyridin-2-yl)benzyl)hydrazine carboxylate Q: What is the CAS Number of tert-Butyl [[2-(4-pyridin-2-yl)benzyl)hydrazine carboxylate Q: What is the storage condition of tert-Butyl [[2-(4-pyridin-2-yl)benzyl)hydrazine carboxylate Q: What are the applications of tert-Butyl [[2-(4-pyridin-2-yl)benzyl)hydrazine carboxylate 1-BOC-2-[4-(2- PYRIDINYL)BENZYLIDENE]HYDRAZINE (BOC- HYDRAZINE) N’-(4-Pyridin-2-yl-benzyl)-hydrazine carboxylic acid butyl ester 2-[4-(2-Pyridyl)benzyl]-hydrazinecarboxylicacidtert-butylester 2-[[4-(2-Pyridyl)phenyl]methyl]hydrazinecarboxylicacid(1,1-dimethyl)ester tert-Butyl4-(2-pyridyl)benzylcarbazate tert-Butyl2-[4-(2-pyridyl)benzyl]hydrazinecarboxylate tert-Butyl 2-[4-(pyridine-2-yl)benzyl] hydrazinecarboxylate, 98%min tert-Butyl 2-[[4-pyridin-2-ylphenyl]methyl]hydrazinecarboxylate 198904-85-7 Aromatics Heterocycles Aromatics Compounds API intermediates