3-Amino-4-carbamoylpyrazole Hemisulfate

CAS: 27511-79-1

Ref. TR-A603076

Produktinformation

• Name: 3-Amino-4-carbamoylpyrazole Hemisulfate
• Synonyme: Allopurinol Imp. A (EP), Allopurinol USP Related Compound A, Allopurinol USP RC A, 5-Amino-1H-pyrazole-4-carboxamide Hemisulphate, Allopurinol Imp. A (EP) as Hemisulphate, Allopurinol Stage 2, Ph Eur Allopurinol Impurity A, USP Allopurinol Related Compound A, Allopurinol Related Compound A as Hemisulfate, Allopurinol Impurity A as Hemisulphate, 1H-Pyrazole-4-carboxamide, 3-amino-, sulfate (2:1), 3-Amino-1H-pyrazole-4-carboxamide Hemisulfate, 3-Amino-1H-pyrazole-4-carboxamide sulfate (2:1), 3-Amino-4-Pyrazolecarboxaimide hemisalfate, 3-Amino-4-pyrazole carbosamide hemisulfate, 3-Amino-4-pyrazolecarbocamide hemisulfate salt, 3-Amino-4-pyrazolecarboxamide hemisulfate salt, 3-Aminopyrazole-4-carboxamide hemisulphate, 5-Amino-4-pyrazolecarboxamide hemisulfate, 5-Aminopyrazole-4-carboxamide hemisulphate, 5-amino-1H-pyrazole-4-carboxamide, 5-amino-1H-pyrazole-4-carboxamide sulfate (1:1), 5-amino-1H-pyrazole-4-carboxamide sulfate (2:1), Pyrazole-4-carboxamide, 3-amino-, sulfate (2:1)
• CAS: 27511-79-1

Beschreibung

Impurity Allopurinol EP Impurity A / Allopurinol USP Related Compound A
Stability Hygroscopic
Applications 3-Amino-4-carbamoylpyrazole Hemisulfate (Allopurinol EP Impurity A) is an impurity of Allopurinol (A547300), a pyrazole derivative that has been shown to induce neoplasm immunogenicity.
References Nicolin, A. et al.: Cancer, Chemother. Rep., 57, 3 (1973); Bonmassar, E. et al.: Cancer Res., 35, 1957 (1975);

• Marke: TRC

Chemische Eigenschaften

• Molekulargewicht: 350.31
• Formel: C₄H₆N₄O·5H₂SO₄
• Farbe/Form: Neat
• InChl: 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)
• InChI Key: InChIKey=UMPKASYMNORSRO-UHFFFAOYSA-N
• SMILES: N=c1[nH][nH]cc1C(N)=O.N=c1[nH][nH]cc1C(N)=O.O=S(=O)(O)O