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Product Information
Name:
3-Amino-4-carbamoylpyrazole Hemisulfate
Controlled Product
Synonyms:
- 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
- See more synonyms
- 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)
Description:
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);
Notice:
Our products are intended for lab use only. For any other use, please contact us.
Brand:
TRC
Long term storage:
Notes:
Chemical properties
Molecular weight:
350.31
Formula:
C4H6N4O·H2O4S
Color/Form:
Neat
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)
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
MDL:
Melting point:
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Density:
Concentration:
EINECS:
Merck:
HS code:
Technical inquiry about: TR-A603076 3-Amino-4-carbamoylpyrazole Hemisulfate
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