5-AMINO-1-ETHYL-PYRAZOLE-4-CARBOXYLIC ACID

Modify Date: 2026-06-30 10:34:51

5-AMINO-1-ETHYL-PYRAZOLE-4-CARBOXYLIC ACID Structure
5-AMINO-1-ETHYL-PYRAZOLE-4-CARBOXYLIC ACID structure
Common Name 5-AMINO-1-ETHYL-PYRAZOLE-4-CARBOXYLIC ACID
CAS Number 90641-65-9 Molecular Weight 155.15500
Density 1.24g/cm3 Boiling Point 311.7ºC at 760mmHg
Molecular Formula C6H9N3O2 Melting Point N/A
MSDS N/A Flash Point 142.3ºC

Summary: 5-amin-1-ethylpyrazole-4-carboxylic acid (Chinese name: 5-氨基-1-乙基吡唑-4-羧酸, CAS: 90641-65-9), molecular formula: C6H9N3O2, molecular weight: 155.16, For research-use only, not for medical or clinical usage.


 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name 5-amino-1-ethylpyrazole-4-carboxylic acid
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.24g/cm3
Boiling Point 311.7ºC at 760mmHg
Molecular Formula C6H9N3O2
Molecular Weight 155.15500
Flash Point 142.3ºC
Exact Mass 155.06900
PSA 81.14000
LogP 0.76460
Index of Refraction 1.561

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

HS Code 2933199090

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

~%

5-AMINO-1-ETHYL-PYRAZOLE-4-CARBOXYLIC ACID Structure

5-AMINO-1-ETHYL...

CAS#:90641-65-9

Learn More
Literature: AMBIT BIOSCIENCES CORPORATION; CHAO, Qi; HADD, Michael, J.; HOLLADAY, Mark, W.; ROWBOTTOM, Martin Patent: WO2012/30924 A1, 2012 ; Location in patent: Page/Page column 139 ; WO 2012/030924 A1

~%

5-AMINO-1-ETHYL-PYRAZOLE-4-CARBOXYLIC ACID Structure

5-AMINO-1-ETHYL...

CAS#:90641-65-9

Learn More
Literature: Schmidt et al. Helvetica Chimica Acta, 1959 , vol. 42, p. 763,770

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

HS Code 2933199090
Summary 2933199090. other compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

1-ethyl-5-amino-1H-pyrazole-4-carboxylic acid ethyl ester
5-amino-1-ethyl-1H-pyrazole-4-carboxylic acid ethyl ester
5-Amino-1-ethyl-pyrazole-4-carboxylic acid
N2-ethyl-3-amino-4-carboethoxypyrazole
1-Aethyl-5-amino-1H-pyrazol-4-carbonsaeure-aethylester
5-AMINO-1-ETHYL-1H-PYRAZOLE-4-CARBOXYLIC ACID
ethyl 5-amino-1-ethyl-1H-pyrazole-4-carboxylate
3-Amino-2-ethylpyrazol-4-carbonsaeureethylester

  | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the CAS number of 5-amino-1-ethylpyrazole-4-carboxylic acid?
A: CAS number of 5-amino-1-ethylpyrazole-4-carboxylic acid is 90641-65-9.
Q: What is the molecular weight of 5-amino-1-ethylpyrazole-4-carboxylic acid?
A: Molecular weight of 5-amino-1-ethylpyrazole-4-carboxylic acid is 155.15500.
Q: What is the polar surface area (PSA) of 5-amino-1-ethylpyrazole-4-carboxylic acid?
A: Polar surface area (PSA) of 5-amino-1-ethylpyrazole-4-carboxylic acid is 81.14000.
Q: What is the molecular formula of 5-amino-1-ethylpyrazole-4-carboxylic acid?
A: Molecular formula of 5-amino-1-ethylpyrazole-4-carboxylic acid is C6H9N3O2.
Q: What is the boiling point of 5-amino-1-ethylpyrazole-4-carboxylic acid?
A: Boiling point of 5-amino-1-ethylpyrazole-4-carboxylic acid is 311.7ºC at 760mmHg.
Q: What English synonyms does 5-amino-1-ethylpyrazole-4-carboxylic acid have?
A: English synonyms of 5-amino-1-ethylpyrazole-4-carboxylic acid: 1-ethyl-5-amino-1H-pyrazole-4-carboxylic acid ethyl ester, 5-amino-1-ethyl-1H-pyrazole-4-carboxylic acid ethyl ester, 5-Amino-1-ethyl-pyrazole-4-carboxylic acid, N2-ethyl-3-amino-4-carboethoxypyrazole, 1-Aethyl-5-amino-1H-pyrazol-4-carbonsaeure-aethylester, 5-AMINO-1-ETHYL-1H-PYRAZOLE-4-CARBOXYLIC ACID, ethyl 5-amino-1-ethyl-1H-pyrazole-4-carboxylate, 3-Amino-2-ethylpyrazol-4-carbonsaeureethylester.
Q: What is the LogP of 5-amino-1-ethylpyrazole-4-carboxylic acid?
A: LogP of 5-amino-1-ethylpyrazole-4-carboxylic acid is 0.76460.
Q: What is the English name of 5-amino-1-ethylpyrazole-4-carboxylic acid?
A: The English name of 5-amino-1-ethylpyrazole-4-carboxylic acid is 5-amino-1-ethylpyrazole-4-carboxylic acid.

 factory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.