3-Amino-4-pyrazolecarboxamide hemisulfate

Synonym(s):3-Amino-4-pyrazolecarboxamide hemisulfate salt

CAS NO.：27511-79-1
Empirical Formula: C8H14N8O6S
Molecular Weight: 350.31
MDL number: MFCD00013093
EINECS: 248-503-6
SAFETY DATA SHEET (SDS)
Update Date: 2025-07-04 15:06:57

3-Amino-4-pyrazolecarboxamide hemisulfate Structural

What is 3-Amino-4-pyrazolecarboxamide hemisulfate?

Chemical properties

white to slightly beige powder

The Uses of 3-Amino-4-pyrazolecarboxamide hemisulfate

3-Amino-4-pyrazolecarboxamide hemisulfate salt was used to prepare 3-carbamoyl derivatives.

The Uses of 3-Amino-4-pyrazolecarboxamide hemisulfate

Allopurinol (A547300) impurity. A pyrazole derivative that has been shown to induce neoplasm immunogenicity.

The Uses of 3-Amino-4-pyrazolecarboxamide hemisulfate

Reactant involved in synthesis of:

Triazines and their phosphorus analogs
Pyrazolo[3,4-d]pyrimidines for use as cyclin-dependent kinase 2 inhibitors

General Description

Pharmaceutical secondary standards for application in quality control provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards

Properties of 3-Amino-4-pyrazolecarboxamide hemisulfate

Melting point:	224 °C (dec.)(lit.)
Density	0.84
storage temp.	2-8°C
solubility	DMSO (Slightly), Methanol (Very Slightly), Water (Slightly, Heated, Sonicated)
form	Solid
color	White to Pale Brown
BRN	3767200
Stability:	Hygroscopic

Safety information for 3-Amino-4-pyrazolecarboxamide hemisulfate

Signal word	Warning
Pictogram(s)	Exclamation Mark Irritant GHS07
GHS Hazard Statements	H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes	P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection.