Product Compare

Compare Page

Compare (4)

Sign Into View Organizational & Contract Pricing

Sigma-Aldrich

700940

4-Aminopyrazole

Sigma-Aldrich

A76958

Aminopyrazine

Sigma-Aldrich

335339

4-(4-Aminophenyl)butyric acid

Sigma-Aldrich

153044

3-Aminopyrazole-4-carbonitrile

95%

98%

95%

97%

700940

4-Aminopyrazole

A76958

Aminopyrazine

335339

4-(4-Aminophenyl)butyric acid

153044

3-Aminopyrazole-4-carbonitrile

Description

Synonyms

1H-Pyrazol-4-ylamine, 1H-Pyrazole-4-amine, 4-Amino-1H-pyrazole

Pyrazinamine

4-Aminobenzenebutanoic acid, p-Aminobenzenebutyric acid

3-Amino-4-cyanopyrazole

CAS Number

Molecular Formula

Linear Formula

: H₂NC₆H₄(CH₂)₃CO₂H

Empirical Formula (Hill Notation)

: C₃H₅N₃

Empirical Formula (Hill Notation)

: C₄H₅N₃

Empirical Formula (Hill Notation)

: C₁₀H₁₃NO₂

Empirical Formula (Hill Notation)

: C₄H₄N₄

Molecular Weight

: 83.09

Molecular Weight

: 95.10

Molecular Weight

: 179.22

Molecular Weight

: 108.10

MDL Number

MFCD01693729

MFCD00006137

MFCD00075052

MFCD00005237

Properties

Assay:

95%

Assay:

98%

Assay:

95%

Assay:

97%

functional group:

nitrile

InChI:

1S/C3H5N3/c4-3-1-5-6-2-3/h1-2H,4H2,(H,5,6)

InChI:

1S/C4H5N3/c5-4-3-6-1-2-7-4/h1-3H,(H2,5,7)

InChI:

1S/C10H13NO2/c11-9-6-4-8(5-7-9)2-1-3-10(12)13/h4-7H,1-3,11H2,(H,12,13)

InChI:

1S/C4H4N4/c5-1-3-2-7-8-4(3)6/h2H,(H3,6,7,8)

InChI key:

AXINVSXSGNSVLV-UHFFFAOYSA-N

InChI key:

XFTQRUTUGRCSGO-UHFFFAOYSA-N

InChI key:

RBHLFWNKEWLHBP-UHFFFAOYSA-N

InChI key:

FFNKBQRKZRMYCL-UHFFFAOYSA-N

application(s):

peptide synthesis

application(s):

mp:

77-82 °C

mp:

118-120 °C (lit.)

mp:

121-124 °C (lit.)
121-133 °C

mp:

172-174 °C (lit.)

form:

powder

form:

crystals

form:

powder

form:

reaction suitability:

reaction type: solution phase peptide synthesis

reaction suitability:

SMILES string:

Nc1cn[nH]c1

SMILES string:

Nc1cnccn1

SMILES string:

Nc1ccc(CCCC(O)=O)cc1

SMILES string:

Nc1n[nH]cc1C#N

Usage and Safety

Application

Substrate in a four-component synthesis of imidazolidines.

3-amino-4-cyanopyrazole was used to study the impurities in zaleplon bulk drug.Building block used in the synthesis of a variety of heterocycles.

Risk and Safety

Pictograms: GHS07

Signal Word:

Warning

Hazard Statements: H302,H315,H319,H335

Precautionary Statements: P261 - P264 - P271 - P301 + P312 - P302 + P352 - P305 + P351 + P338

Hazard Classifications:

Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs:

Respiratory system

Storage Class Code:

11 - Combustible Solids

WGK:

WGK 3

Flash Point(F):

Not applicable

Flash Point(C):

Not applicable

Personal Protective Equipment:

dust mask type N95 (US), Eyeshields, Faceshields, Gloves

Storage Class Code:

11 - Combustible Solids

WGK:

WGK 3

Flash Point(F):

Not applicable

Flash Point(C):

Not applicable

Personal Protective Equipment:

dust mask type N95 (US), Eyeshields, Gloves

Pictograms: GHS07

Signal Word:

Warning

Hazard Statements: H315,H319,H335

Precautionary Statements: P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338

Hazard Classifications:

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs:

Respiratory system

Storage Class Code:

11 - Combustible Solids

WGK:

WGK 3

Flash Point(F):

Not applicable

Flash Point(C):

Not applicable

Personal Protective Equipment:

dust mask type N95 (US), Eyeshields, Gloves

Pictograms: GHS07

Signal Word:

Warning

Hazard Statements: H315,H319

Precautionary Statements: P264 - P280 - P302 + P352 - P305 + P351 + P338 - P332 + P313 - P337 + P313

Hazard Classifications:

Eye Irrit. 2 - Skin Irrit. 2

Storage Class Code:

11 - Combustible Solids

WGK:

WGK 3

Personal Protective Equipment:

Eyeshields, Gloves, type N95 (US)