ChemicalBook >> CAS DataBase List >>1H-Imidazol-5-amine,1-methyl-4-nitro-(9CI)

1H-Imidazol-5-amine,1-methyl-4-nitro-(9CI)

CAS No.
4531-54-8
Chemical Name:
1H-Imidazol-5-amine,1-methyl-4-nitro-(9CI)
Synonyms
Azathioprine USP RC A;Azathioprine impurity A;Azathioprine EP Impurity A;Azathioprine BP Impurity A;Azathioprine impurity A CRS;Azathioprine Related CoMpound A;3-methyl-5-nitroimidazol-4-amine;3-methyl-5-nitro-imidazol-4-amine;5-Amino-1-methyl-4-nitroimidazole;Azathioprine USP Related Compound A
CBNumber:
CB31295253
Molecular Formula:
C4H6N4O2
Molecular Weight:
142.12
MDL Number:
MFCD00516996
MOL File:
4531-54-8.mol
MSDS File:
SDS
Last updated:2026-05-28 00:57:06

1H-Imidazol-5-amine,1-methyl-4-nitro-(9CI) Properties

Melting point >288°C (dec.)
Boiling point 435.0±25.0 °C(Predicted)
Density 1.67±0.1 g/cm3(Predicted)
storage temp. Hygroscopic, Refrigerator, under inert atmosphere
solubility DMSO (Slightly, Heated), Methanol (Very Slightly, Heated)
pka 1.07±0.61(Predicted)
form solid
color Light Yellow to Light Green
Major Application pharmaceutical small molecule
InChI InChI=1S/C4H6N4O2/c1-7-2-6-4(3(7)5)8(9)10/h2H,5H2,1H3
InChIKey GJVMTMXQJDQJSS-UHFFFAOYSA-N
SMILES C1N(C)C(N)=C([N+]([O-])=O)N=1
FDA UNII 55UIE6811G
UNSPSC Code 41116107
NACRES NA.24

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H302
Precautionary statements  P264-P270-P301+P312-P501
WGK Germany  WGK 3
HS Code  2933997500
Storage Class 11 - Combustible Solids
Hazard Classifications Acute Tox. 4 Oral

1H-Imidazol-5-amine,1-methyl-4-nitro-(9CI) price More Price(36)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich Y0001240 Azathioprine impurity A European Pharmacopoeia (EP) Reference Standard 4531-54-8 10 mg $170 2026-04-30 Buy
Sigma-Aldrich PHR2841 Azathioprine Related Compound A 4531-54-8 30MG $563 2026-04-30 Buy
Sigma-Aldrich 1045993 Azathioprine impurity A 4531-54-8 15mg $1390 2026-04-30 Buy
Sigma-Aldrich Y0001240 Azathioprine impurity A, European Pharmacopoeia (EP) Reference Standard 4531-54-8 y0001240 $150 2024-03-01 Buy
Usbiological 259965 5-Amino-1-methyl-4-nitroimidazole Asreported 4531-54-8 1g $1137 2026-06-03 Buy
Product number Packaging Price Buy
Y0001240 10 mg $170 Buy
PHR2841 30MG $563 Buy
1045993 15mg $1390 Buy
Y0001240 y0001240 $150 Buy
259965 1g $1137 Buy

1H-Imidazol-5-amine,1-methyl-4-nitro-(9CI) Chemical Properties, Uses, Production

Uses

5-Amino-1-methyl-4-nitroimidazole is a moiety of Azathioprine (A803350); an immunosuppressive antimetabolite that is also active as a disease modifying antirheumatic drug (DMARD).

4897-25-0
4531-54-8
Synthesis of 1H-Imidazol-5-amine,1-methyl-4-nitro-(9CI) from 5-Chloro-1-methyl-4-nitroimidazole

1H-Imidazol-5-amine,1-methyl-4-nitro-(9CI) Preparation Products And Raw materials

Global Suppliers ( 69)
Supplier Tel Email Country ProdList Advantage
Jinan wonderdrug Technology Co., Ltd 15063369667 1796802755@qq.com China 311 58
Shanghai Run-Biotech Co., Ltd. 021-57171705 13817537615 sales@run-biotech.com China 2277 58
Quality Control Solutions Ltd. 0755-66853366 13670046396 orders@qcsrm.com China 18188 56
Modachem Shanghai Co., Ltd +86 (0)21 51320687 51371369 1744605818 China 1576 58
Jiangsu Aikon Biopharmaceutical R&D co.,Ltd. 025-66028182 17714375163 yftan@aikonchem.com China 16674 50
Shanghai YuanYe Biotechnology Co., Ltd. 15026964105 2881489226@qq.com China 89667 60
Amadis Chemical Company Limited 571-89925085 sales@amadischem.com China 131885 58
Shenzhen SUNGENING Bio-Medical Co., Ltd. 0755-28967200 13631290199 wxf@sungening.com China 9609 60
9ding chemical ( Shanghai) Limited 021-021-52271985 17721149837 sales@9dingchem.com China 19780 60
Yujinpharma(Tianjin) Technology Co.,Ltd. 13370351217 kungfu1217@1 kungfu1217@163.com China 7991 58

View Latest Price from 1H-Imidazol-5-amine,1-methyl-4-nitro-(9CI) manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
1H-Imidazol-5-amine1-methyl-4-nitro-(9CI)  pictures 2026-08-07 1H-Imidazol-5-amine1-methyl-4-nitro-(9CI)
4531-54-8
$11.00-25.00 1KG 99% 200000KG Shaanxi Dideu Medichem Co. Ltd

1H-Imidazol-5-amine,1-methyl-4-nitro-(9CI) Spectrum

1H-Imidazol-5-amine,1-methyl-4-nitro-(9CI) (3-methyl-5-nitro-imidazol-4-yl)amine 3-methyl-5-nitro-imidazol-4-amine 3-methyl-5-nitroimidazol-4-amine Azathioprine impurity A 1-Methyl-4-nitro-1H-imidazol-5-amine 5-Amino-1-methyl-4-nitroimidazole Azathioprine EP Impurity A Azathioprine Related CoMpound A Azathioprine Impurity 1(Azathioprine EP Impurity A) 1H-Imidazol-5-amine,1-methyl-4-nitro- Azathioprine EP Impurity A (USP RC A) Azathioprine impurity A CRS Azathioprine USP RC A Azathioprine BP Impurity A Azathioprine EP Impurity A/ Azathioprine Related Compound A (Thiamiprine) Azathioprine Related Compound A (1-methyl-4-nitro-1H-imidazol-5-amine) (1045993) Azathioprine USP Related Compound A 1-Methyl-4-nitro-1H-imidazol-5-amine (Azathioprine Impurity) Azathioprine EP Impurity A (Azathioprine USP Related Compound A) 4531-54-8 NITRO