1H-Pyrazole-3-carboxylicacid,4-amino-1-methyl-,methylester(9CI)

Modify Date: 2026-07-01 08:14:58

1H-Pyrazole-3-carboxylicacid,4-amino-1-methyl-,methylester(9CI) Structure
1H-Pyrazole-3-carboxylicacid,4-amino-1-methyl-,methylester(9CI) structure
Common Name 1H-Pyrazole-3-carboxylicacid,4-amino-1-methyl-,methylester(9CI)
CAS Number 637336-53-9 Molecular Weight 155.15500
Density 1.35g/cm3 Boiling Point 288.6ºC at 760 mmHg
Molecular Formula C6H9N3O2 Melting Point N/A
MSDS N/A Flash Point 128.3ºC

 Names

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

Name methyl 4-amino-1-methylpyrazole-3-carboxylate
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 1.35g/cm3
Boiling Point 288.6ºC at 760 mmHg
Molecular Formula C6H9N3O2
Molecular Weight 155.15500
Flash Point 128.3ºC
Exact Mass 155.06900
PSA 70.14000
LogP 0.37010
Index of Refraction 1.584
InChIKey UBOGPSNFKMAOPP-UHFFFAOYSA-N
SMILES COC(=O)c1nn(C)cc1N

 MSDS

This table provides MSDS information including hazard classification, first‑aid, fire‑fighting, spill handling, operation and storage instructions.

Material Safety Data Sheet

Section1. Identification of the substance
Product Name: Methyl 4-amino-1-methyl-1H-pyrazole-3-carboxylate
Synonyms:

Section2. Hazards identification
Harmful by inhalation, in contact with skin, and if swallowed.

Section3. Composition/information on ingredients.
Ingredient name:Methyl 4-amino-1-methyl-1H-pyrazole-3-carboxylate
CAS number:637336-53-9

Section4. First aid measures
Skin contact:Immediately wash skin with copious amounts of water for at least 15 minutes while removing
contaminated clothing and shoes. If irritation persists, seek medical attention.
Eye contact:Immediately wash skin with copious amounts of water for at least 15 minutes. Assure adequate
flushing of the eyes by separating the eyelids with fingers. If irritation persists, seek medical
attention.
Inhalation:Remove to fresh air. In severe cases or if symptoms persist, seek medical attention.
Ingestion:Wash out mouth with copious amounts of water for at least 15 minutes. Seek medical attention.

Section5. Fire fighting measures
In the event of a fire involving this material, alone or in combination with other materials, use dry
powder or carbon dioxide extinguishers. Protective clothing and self-contained breathing apparatus
should be worn.

Section6. Accidental release measures
Personal precautions: Wear suitable personal protective equipment which performs satisfactorily and meets local/state/national
standards.
Respiratory precaution:Wear approved mask/respirator
Hand precaution:Wear suitable gloves/gauntlets
Skin protection:Wear suitable protective clothing
Eye protection:Wear suitable eye protection
Methods for cleaning up: Mix with sand or similar inert absorbent material, sweep up and keep in a tightly closed container
for disposal. See section 12.
Environmental precautions: Do not allow material to enter drains or water courses.

Section7. Handling and storage
Handling:This product should be handled only by, or under the close supervision of, those properly qualified
in the handling and use of potentially hazardous chemicals, who should take into account the fire,
health and chemical hazard data given on this sheet.
Storage:Store in closed vessels, refrigerated.

Section8. Exposure Controls / Personal protection
Engineering Controls: Use only in a chemical fume hood.
Personal protective equipment: Wear laboratory clothing, chemical-resistant gloves and safety goggles.
General hydiene measures: Wash thoroughly after handling. Wash contaminated clothing before reuse.

Section9. Physical and chemical properties
Appearance:Not specified
Boiling point:No data
Melting point:No data
Flash point:No data
Density:No data
Molecular formula: C6H9N3O2
Molecular weight: 155.2

Section10. Stability and reactivity
Conditions to avoid: Heat, flames and sparks.
Materials to avoid: Oxidizing agents.
Possible hazardous combustion products: Carbon monoxide, nitrogen oxides.

Section11. Toxicological information
No data.

Section12. Ecological information
No data.

Section13. Disposal consideration
Arrange disposal as special waste, by licensed disposal company, in consultation with local waste
disposal authority, in accordance with national and regional regulations.

Section14. Transportation information
Non-harzardous for air and ground transportation.

Section15. Regulatory information
No chemicals in this material are subject to the reporting requirements of SARA Title III, Section
302, or have known CAS numbers that exceed the threshold reporting levels established by SARA
Title III, Section 313.


SECTION 16 - ADDITIONAL INFORMATION
N/A

 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.

~96%

1H-Pyrazole-3-carboxylicacid,4-amino-1-methyl-,methylester(9CI) Structure

1H-Pyrazole-3-c...

CAS#:637336-53-9

Learn More
Literature: Dunten, Peter W.; Foley, Louise H.; Huby, Nicholas J.S.; Pietranico-Cole, Sherrie L.; Yun, Weiya Patent: US2004/14766 A1, 2004 ;

~%

1H-Pyrazole-3-carboxylicacid,4-amino-1-methyl-,methylester(9CI) Structure

1H-Pyrazole-3-c...

CAS#:637336-53-9

Learn More
Literature: Bleicher, Konrad; Flohr, Alexander; Groebke Zbinden, Katrin; Gruber, Felix; Koerner, Matthias; Kuhn, Bernd; Peters, Jens-Uwe; Sarmiento, Rosa Maria Rodriguez Patent: US2011/306589 A1, 2011 ;

 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.

methyl 4-amino-1-methyl-1H-pyrazole-3-carboxylate

  | FAQ

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

Q: What is the LogP of methyl 4-amino-1-methylpyrazole-3-carboxylate?
A: LogP of methyl 4-amino-1-methylpyrazole-3-carboxylate is 0.37010.
Q: What is the InChIKey of methyl 4-amino-1-methylpyrazole-3-carboxylate?
A: InChIKey of methyl 4-amino-1-methylpyrazole-3-carboxylate is UBOGPSNFKMAOPP-UHFFFAOYSA-N.
Q: What is the boiling point of methyl 4-amino-1-methylpyrazole-3-carboxylate?
A: Boiling point of methyl 4-amino-1-methylpyrazole-3-carboxylate is 288.6ºC at 760 mmHg.
Q: What is the polar surface area (PSA) of methyl 4-amino-1-methylpyrazole-3-carboxylate?
A: Polar surface area (PSA) of methyl 4-amino-1-methylpyrazole-3-carboxylate is 70.14000.
Q: What is the molecular formula of methyl 4-amino-1-methylpyrazole-3-carboxylate?
A: Molecular formula of methyl 4-amino-1-methylpyrazole-3-carboxylate is C6H9N3O2.
Q: What is the CAS number of methyl 4-amino-1-methylpyrazole-3-carboxylate?
A: CAS number of methyl 4-amino-1-methylpyrazole-3-carboxylate is 637336-53-9.
Q: What is the English name of methyl 4-amino-1-methylpyrazole-3-carboxylate?
A: The English name of methyl 4-amino-1-methylpyrazole-3-carboxylate is methyl 4-amino-1-methylpyrazole-3-carboxylate.
Q: What is the molecular weight of methyl 4-amino-1-methylpyrazole-3-carboxylate?
A: Molecular weight of methyl 4-amino-1-methylpyrazole-3-carboxylate is 155.15500.
Q: What is the SMILES notation of methyl 4-amino-1-methylpyrazole-3-carboxylate?
A: SMILES notation of methyl 4-amino-1-methylpyrazole-3-carboxylate is COC(=O)c1nn(C)cc1N.
Q: What English synonyms does methyl 4-amino-1-methylpyrazole-3-carboxylate have?
A: English synonyms of methyl 4-amino-1-methylpyrazole-3-carboxylate: methyl 4-amino-1-methyl-1H-pyrazole-3-carboxylate.

 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.
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