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Ethyl 5-(tert-butyl)-2H-pyrazole-3-carboxylate

Ethyl 5-(tert-butyl)-2H-pyrazole-3-carboxylate Structure
Ethyl 5-(tert-butyl)-2H-pyrazole-3-carboxylate structure
CAS No.
83405-70-3
Chemical Name:
Ethyl 5-(tert-butyl)-2H-pyrazole-3-carboxylate
Synonyms
AKOS BBS-00004492;BUTTPARK 36\06-08;ETHYL 3-T-BUTYL-5-PYRAZOLECARBOXYLATE;Ethyl 5-tert-butylpyrazole-3-carboxylate;ETHYL 3-TERT-BUTYLPYRAZOLE-5-CARBOXYLATE;5-tert-butyl-2-ethyl-3-pyrazolecarboxylate;ETHYL 5-TERT-BUTYL-2H-PYRAZOLE-3-CARBOXYLATE;ETHYL 3-(TERT-BUTYL)-1H-PYRAZOLE-5-CARBOXYLATE;5-tert-Butyl-2H-pyrazole-3-carboxylic acid ethyl;Ethyl 3-tert-butyl-1H-pyrazole-5-carboxylate ,97%
CBNumber:
CB1258147
Molecular Formula:
C10H16N2O2
Molecular Weight:
196.25
MDL Number:
MFCD00173782
MOL File:
83405-70-3.mol
MSDS File:
SDS
Last updated:2026-08-25 20:17:46
Request For Quotation

Ethyl 5-(tert-butyl)-2H-pyrazole-3-carboxylate Properties

Melting point 141-144°C
Boiling point 141~144℃
Density 0.91
storage temp. Store at room temperature
pka 11.84±0.10(Predicted)
Appearance White to off-white Solid

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H315-H319-H335
Precautionary statements  P233-P260-P261-P264-P271-P280-P302+P352-P304-P304+P340-P305+P351+P338-P312-P321-P332+P313-P337+P313-P340-P362-P403-P403+P233-P405-P501
Safety Statements  24/25
HazardClass  IRRITANT
HS Code  29331990

Ethyl 5-(tert-butyl)-2H-pyrazole-3-carboxylate price More Price(31)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Matrix Scientific 041001 Ethyl 3-tert-butyl-1H-pyrazole-5-carboxylate 83405-70-3 500.00mg $189 2026-05-18 Buy
Synthonix E64842 Ethyl 5-tert-butyl-2H-pyrazole-3-carboxylate >98% 83405-70-3 1g $16 2026-05-06 Buy
Synthonix E64842 Ethyl 5-tert-butyl-2H-pyrazole-3-carboxylate >98% 83405-70-3 10g $70 2026-05-06 Buy
aablocks AA002YGE Ethyl 5-(tert-butyl)-1H-pyrazole-3-carboxylate 98% 83405-70-3 1g $8 2026-05-28 Buy
aablocks AA002YGE Ethyl 5-(tert-butyl)-1H-pyrazole-3-carboxylate 98% 83405-70-3 5g $23 2026-05-28 Buy
Product number Packaging Price Buy
041001 500.00mg $189 Buy
E64842 1g $16 Buy
E64842 10g $70 Buy
AA002YGE 1g $8 Buy
AA002YGE 5g $23 Buy

Ethyl 5-(tert-butyl)-2H-pyrazole-3-carboxylate Chemical Properties, Uses, Production

Chemical Properties

White solid

Ethyl 5-(tert-butyl)-2H-pyrazole-3-carboxylate Preparation Products And Raw materials

Raw materials

Hydrazinium hydroxide solution Ethanol Diethyl oxalate Sodium Pinacolone

Preparation Products

Ethyl 5-(tert-butyl)-2H-pyrazole-3-carboxylate Suppliers

Global Suppliers ( 67)
Supplier Tel Email Country ProdList Advantage
J & K SCIENTIFIC LTD. 18210857532 18210857532 jkinfo@jkchemical.com China 96815 76
PharmaBlock Sciences (Nanjing),Inc. 025-86918202 4000255188 sales@pharmablock.com China 5000 55
Wuhan Chemwish Technology Co., Ltd 86-027-67849912 sales@chemwish.com China 35884 56
Shanghai Sinch Parmaceuticals Tech. Co. Ltd. +86-21-54098501 sales@sinch.com.cn China 11592 64
Acorn PharmaTech Co., Ltd. 025-58395930 sales@acornpharma.com China 982 60
9ding chemical ( Shanghai) Limited 4009209199 sales@9dingchem.com China 18201 56
Shanghai Xingui Biotechnology Co., Ltd. 15121041756 xingui2022@126.com China 9985 58
Shanghai Chenzhu Pharmaceutical Co., Ltd. 13162380607 1696175688@qq.com China 834 55
Wuhan Chemwish Technology Co.， Ltd 027-67849912 sales@chemwish.com China 9144 60
Nanjing Chemcn Pharmaceutical Co., Ltd. 18114022054; 18114022054 3317707757@qq.com China 301 55
Supplier Advantage
J & K SCIENTIFIC LTD. 76
PharmaBlock Sciences (Nanjing),Inc. 55
Wuhan Chemwish Technology Co., Ltd 56
Shanghai Sinch Parmaceuticals Tech. Co. Ltd. 64
Acorn PharmaTech Co., Ltd. 60
9ding chemical ( Shanghai) Limited 56
Shanghai Xingui Biotechnology Co., Ltd. 58
Shanghai Chenzhu Pharmaceutical Co., Ltd. 55
Wuhan Chemwish Technology Co.， Ltd 60
Nanjing Chemcn Pharmaceutical Co., Ltd. 55

View Latest Price from Ethyl 5-(tert-butyl)-2H-pyrazole-3-carboxylate manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
Ethyl 5-(tert-butyl)-2H-pyrazole-3-carboxylate pictures 2020-01-03 Ethyl 5-(tert-butyl)-2H-pyrazole-3-carboxylate
83405-70-3
 $9.80 1KG 97%-99% 1kg -1000kg Career Henan Chemical Co

Ethyl 5-(tert-butyl)-2H-pyrazole-3-carboxylate Spectrum

Ethyl 5-(tert-butyl)-2H-pyrazole-3-carboxylate(83405-70-3)1HNMREthyl 5-(tert-butyl)-2H-pyrazole-3-carboxylate(83405-70-3)1HNMR

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1of4

AKOS BBS-00004492 ETHYL 5-TERT-BUTYL-2H-PYRAZOLE-3-CARBOXYLATE ETHYL 3-(TERT-BUTYL)-1H-PYRAZOLE-5-CARBOXYLATE ETHYL 3-T-BUTYL-5-PYRAZOLECARBOXYLATE BUTTPARK 36\06-08 5-tert-Butyl-2H-pyrazole-3-carboxylic acid ethyl ETHYL 3-TERT-BUTYLPYRAZOLE-5-CARBOXYLATE 5-TERT-BUTYL-2H-PYRAZOLE-3-CARBOXYLIC ACID ETHYL ESTER Ethyl 3-tert-butyl-1H-pyrazole-5-carboxylate ,97% Ethyl 5-tert-butylpyrazole-3-carboxylate 5-tert-butyl-2-ethyl-3-pyrazolecarboxylate 1H-Pyrazole-3-carboxylic acid, 5-(1,1-dimethylethyl)-, ethyl ester 5-tert-Butyl-1H-pyrazole-3-carboxylic acid ethyl ester 83405-70-3