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3-Amino-4-pyrazolecarboxamide hemisulfate

3-Amino-4-pyrazolecarboxamide hemisulfate Structure
3-Amino-4-pyrazolecarboxamide hemisulfate structure
CAS No.
27511-79-1
Chemical Name:
3-Amino-4-pyrazolecarboxamide hemisulfate
Synonyms
3-Amino Pyrazole Carboxamide Hemisulphate;Allopurinol Related CoMpound A;5-aminopyrazole-4-carboxamide hemisulphate;Allopurinol impurity A CRS;3-AMino Pyrazole CarboxaMide HeMisulfate;3-AMINOPYRAZOLE-4-CARBOXAMIDE HEMISULPHATE;3-amino-4-pyrazolecarboxamide hemisulfate salt;semisulfate;Allopurinol EP Imp A;3-Amino-4-pyrazoleca
CBNumber:
CB9708204
Molecular Formula:
C8H14N8O6S
Molecular Weight:
350.31
MDL Number:
MFCD00013093
MOL File:
27511-79-1.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-05-28 05:49:41
Request For Quotation

3-Amino-4-pyrazolecarboxamide hemisulfate Properties

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
InChI InChI=1S/2C4H6N4O.H2O4S/c2*5-3-2(4(6)9)1-7-8-3;1-5(2,3)4/h2*1H,(H2,6,9)(H3,5,7,8);(H2,1,2,3,4)
InChIKey UMPKASYMNORSRO-UHFFFAOYSA-N
SMILES C1(C(=O)N)=CNN=C1N.C1(C(=O)N)=CNN=C1N.S(=O)(=O)(O)O
FDA UNII 6H5TH7QBY8
UNSPSC Code 41116107
NACRES NA.24

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H315-H319-H335
Precautionary statements  P271-P280
PPE Eyeshields, Gloves, type N95 (US)
Safety Statements  24/25
WGK Germany  3
HazardClass  IRRITANT
HS Code  29331990
Storage Class 11 - Combustible Solids
REACH Registrations Active
NFPA 704
1
0 0

3-Amino-4-pyrazolecarboxamide hemisulfate price More Price(70)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 153052 3-Amino-4-pyrazolecarboxamide hemisulfate salt 27511-79-1 5g $234 2026-04-30 Buy
Sigma-Aldrich 1013024 Allopurinol Related Compound A United States Pharmacopeia (USP) Reference Standard 27511-79-1 25mg $1290 2026-04-30 Buy
TCI Chemical A1532 3-Aminopyrazole-4-carboxamide Hemisulfate >98.0%(T) 27511-79-1 5g $23 2026-04-30 Buy
TCI Chemical A1532 3-Aminopyrazole-4-carboxamide Hemisulfate >98.0%(T) 27511-79-1 25g $41 2026-04-30 Buy
Usbiological 002034 3-Amino-4-carbamoylpyrazole Hemisulfate 27511-79-1 5g $340 2026-06-03 Buy
Product number Packaging Price Buy
153052 5g $234 Buy
1013024 25mg $1290 Buy
A1532 5g $23 Buy
A1532 25g $41 Buy
002034 5g $340 Buy

3-Amino-4-pyrazolecarboxamide hemisulfate Chemical Properties, Uses, Production

Chemical Properties

white to slightly beige powder

Uses

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

Uses

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

Uses

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

3-Amino-4-pyrazolecarboxamide hemisulfate Preparation Products And Raw materials

Raw materials

Preparation Products

3-Amino-4-pyrazolecarboxamide hemisulfate Suppliers

Global Suppliers ( 429)
Supplier Tel Email Country ProdList Advantage
Wuhan Beileye Biomedical Technology Co., Ltd. 18086118078 2696158611@qq.com China 4271 58
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
INTATRADE GmbH +49 3493/605464 sales@intatrade.de Germany 3563 66
future industrial shanghai co., ltd 400-0066400 13621662912 sales@jonln.com China 1989 65
Alfa Aesar 400-6106006 saleschina@alfa-asia.com China 30103 84
TCI (Shanghai) Development Co., Ltd. 021-67121386 Sales-CN@TCIchemicals.com China 24512 81
Shijiazhuang Sdyano Fine Chemical Co., Ltd. 0311-89250318 13582355795 master@sjzsdyn.com China 2776 65
Capot Chemical Co., Ltd +86 (0) 571 85 58 67 18 China 18187 66
Beijing Ouhe Technology Co., Ltd 13552068683 13522913783 2355560935@qq.com China 11777 60
Supplier Advantage
Wuhan Beileye Biomedical Technology Co., Ltd. 58
J & K SCIENTIFIC LTD. 76
PharmaBlock Sciences (Nanjing),Inc. 55
INTATRADE GmbH 66
future industrial shanghai co., ltd 65
Alfa Aesar 84
TCI (Shanghai) Development Co., Ltd. 81
Shijiazhuang Sdyano Fine Chemical Co., Ltd. 65
Capot Chemical Co., Ltd 66
Beijing Ouhe Technology Co., Ltd 60

View Latest Price from 3-Amino-4-pyrazolecarboxamide hemisulfate manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
3-Amino-4-pyrazolecarboxamide hemisulfate pictures 2026-09-18 3-Amino-4-pyrazolecarboxamide hemisulfate
27511-79-1
 1KG 98% 500kg WUHAN FORTUNA CHEMICAL CO., LTD
3-Amino-4-Pyrazole Carbosamide Hemisulfate pictures 2026-05-28 3-Amino-4-Pyrazole Carbosamide Hemisulfate
27511-79-1
 $2.00-5.00 1KG 99% 10000kg Hebei Chuanghai Biotechnology Co,.LTD
3-Amino-4-pyrazolecarboxamide hemisulfate pictures 2025-06-20 3-Amino-4-pyrazolecarboxamide hemisulfate
27511-79-1
 $2.00 25KG 99% 1000tons/month Hebei Yanxi Chemical Co., Ltd.

3-Amino-4-pyrazolecarboxamide hemisulfate Spectrum

3-Amino-4-pyrazolecarboxamide hemisulfate(27511-79-1)MS3-Amino-4-pyrazolecarboxamide hemisulfate(27511-79-1)1HNMR3-Amino-4-pyrazolecarboxamide hemisulfate(27511-79-1)13CNMR3-Amino-4-pyrazolecarboxamide hemisulfate(27511-79-1)IR13-Amino-4-pyrazolecarboxamide hemisulfate(27511-79-1)IR23-Amino-4-pyrazolecarboxamide hemisulfate(27511-79-1)Raman

27511-79-1 (3-Amino-4-pyrazolecarboxamide hemisulfate) Related Search:

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1of4

3-Amino-pyrazole-4-carboxaimidehemisalfate 3-Amino-4-pyrazole carbosamide hemisulfate 3-AMINO-1H-PYRAZOLE-4-CARBOXAMIDE HEMISULFATE 3-AMINO-1H-PYRAZOLE-4-CARBOXAMIDE HEMISULPHATE 3-AMINO-4-PYRAZOLECARBOXAMIDE HEMISULFATE 3-AMINO-4-CARBAMOYLPYRAZOLE HEMISULFATE 3-AMINOPYRAZOLE-4-CARBOXAMIDE HEMISULFATE 5-AMINO-4-PYRAZOLECARBOXAMIDE HEMISULFATE 5-aminopyrazole-4-carboxamide hemisulphate 3-AMino-4-pyrazolecarboxaMide heMisulfate, 98%, 98% 5-Amino-1H-pyrazole-4-caboxamide 3-Amino-4-carboxamidepyrazole Hemisulfate 3-Amino Pyrazole Carboxamide Hemisulphate Allopurinol Impurity 1(Allopurinol EP Impurity A)(Allopurinol USP Related Compound A ) 5-amino-1H-pyrazole-4-carboxamide,sulfuric acid Allopurinol EP Impurity A or Allopurinol USP Related Compound A Allopurinol EP Impurity A（Allopurinol USP Related Compound A） Allopurinol EP Imp A JR-13452, 5-Amino-1H-pyrazole-4-carboxamide, 95% Allopurinol USP Related Comp A 3-amino-4-pyrazolecarboxyamide hemisulfate 5-Amino-4-PyrazolecarbosamideHemisulfate Aminopyrazole-4-carboxamidehemisulfate Allopurinol intermediate C 5-AMINO-4-PYRAZOLECARBOXAMIDE HEMISALFATE 3-Amino-4-Formylamino Pyrazole Semisulfate 3-aminopyrazole-4-carboxyamide 5-AMINO-4-PYRAZOLECARBOXAIMIDE HEMISALFATE 3-Amino-4-Pyrazolecarboxamidehemisu 1H-Pyrazole-4-carboxamide, 3-amino-, sulfate (2:1) 3-Amino-4-pyrazolecarboxamide hemisulfate,95% 3-Amino-4-pyrazoleca 3-AMino-4-carboxaMidopyrazole HeMisulfate Allopurinol Related CoMpound A Allopurinol Related Compound A (25 mg) (3-Amino-4-carboxamidopyrazole Hemisulfate) 3-aMino-1H-pyrazole-4-carboxaMide sulfate 3-Amino-1H-pyrazole-4-carboxamide (hemisulfate salt) 3-Amino-1H-pyrazole-4-carboxamide hemisulphate 97+% 3-Amino-4-carbamoyl-1H-pyrazole hemisulphate, 3-Amino-4-(aminocarbonyl)-1H-pyrazole hemisulphate 3-AMino-1H-pyrazole-4-carboxaMide sulfate(2:1) 3-AMino Pyrazole CarboxaMide HeMisulfate 3-Aminopyrazole-4-carboxamideHemisulfate> Allopurinol impurity A CRS 5-amino-1H-pyrazole-4-carboxamide,sulfuricaci 3–Amin–4–Pyrazole–Carbaxomide, Hemisulfate Allopurinol Impurity1577 Allopurinol Impurity2 3-Amino-4-pyrazolecarboxamide hemisulfate saltQ: What is 3-Amino-4-pyrazolecarboxamide hemisulfate salt Q: What is the CAS Number of 3-Amino-4-pyrazolecarboxamide hemisulfate salt Q: What is the storage condition of 3-Amino-4-pyrazolecarboxamide hemisulfate salt Q: What are the applications of 3-Amino-4-pyrazolecarboxamide hemisulfate salt Allopurinol Related Compound A (3-Amino-4-carboxamidopyrazole Hemisulfate) (1013024) Allopurinol EP Impurity A Hemisulphate Allopurinol EP Impurity A Hemisulfate Allopurinol EP Impurity A Sulfate Salt 5-Amino-1H-pyrazole-4-carboxamide Hemisulphate Allopurinol EP Impurity A as Hemisulphate Allopurinol USP Related Compound A as Hemisulfate semisulfate 3-Amino-4-formamidopyrazole hemisulfate Allopurinol EP Impurity A Allopurinol USP RC A