ChemicalBook > CAS DataBase List > 5-(forMylaMino)-1H-pyrazole-4-carboxaMide

5-(forMylaMino)-1H-pyrazole-4-carboxaMide

Product Name
5-(forMylaMino)-1H-pyrazole-4-carboxaMide
CAS No.
22407-20-1
Chemical Name
5-(forMylaMino)-1H-pyrazole-4-carboxaMide
Synonyms
Allopurinol EP Imp B;Allopurinol Impurity1578;Allopurinol EP IMpurity B;Allopurinol impurity B CRS;ALLOPURINOL RC B FORMATE SALT;Allopurinol Related CoMpound B;3-ForMaMidopyrazole-4-carboxaMide;Allopurinol impurity B (A0350020);Allopurinol USP Related Compound B;Allopurinol EP Impurity B (USP RC B)
CBNumber
CB52539693
Molecular Formula
C5H6N4O2
Formula Weight
154.13
MOL File
22407-20-1.mol
More
Less

5-(forMylaMino)-1H-pyrazole-4-carboxaMide Property

Melting point:
>200oC (dec.)
Boiling point:
601.5±40.0 °C(Predicted)
Density 
1.597±0.06 g/cm3(Predicted)
storage temp. 
Hygroscopic, -20°C Freezer, Under inert atmosphere
solubility 
DMSO (Slightly), Methanol (Slightly)
pka
10.46±0.50(Predicted)
form 
solid
color 
White to Off-White
Stability:
Hygroscopic
InChI
InChI=1S/C5H6N4O2/c6-4(11)3-1-8-9-5(3)7-2-10/h1-2H,(H2,6,11)(H2,7,8,9,10)
InChIKey
MKVXRGIJTKYXPR-UHFFFAOYSA-N
SMILES
N1C=C(C(N)=O)C(NC=O)=N1
More
Less

Safety

WGK Germany 
3
HS Code 
2933199050
More
Less

Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H302Harmful if swallowed

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

More
Less

N-Bromosuccinimide Price

Sigma-Aldrich
Product number
BP832
Product name
Allopurinol impurity B
Purity
British Pharmacopoeia (BP) Reference Standard
Packaging
10MG
Price
$248
Updated
2025/07/31
Sigma-Aldrich
Product number
A0350020
Product name
Allopurinol impurity B
Purity
European Pharmacopoeia (EP) Reference Standard
Packaging
10 mg
Price
$156
Updated
2025/07/31
Sigma-Aldrich
Product number
1013013
Product name
Allopurinol Related Compound B
Packaging
25mg
Price
$1250
Updated
2025/07/31
Sigma-Aldrich
Product number
A0350020
Product name
Allopurinol impurity B
Purity
European Pharmacopoeia (EP) Reference Standard
Packaging
a0350020
Price
$153
Updated
2024/03/01
Sigma-Aldrich
Product number
PHR2006
Product name
Allopurinol Related Compound B
Purity
Pharmaceutical Secondary Standard; Certified Reference Material
Packaging
50mg
Price
$696
Updated
2025/07/31
More
Less

5-(forMylaMino)-1H-pyrazole-4-carboxaMide Chemical Properties,Usage,Production

Uses

3-(Formylamino)-1H-pyrazole-4-carboxamide (Allopurinol EP Impurity B) is an impurity of Allopurinol (A547300) with inhibitory effects on human hypoxanthine phosphoribosyltransferase.

5-(forMylaMino)-1H-pyrazole-4-carboxaMide Preparation Products And Raw materials

Raw materials

Preparation Products

More
Less

5-(forMylaMino)-1H-pyrazole-4-carboxaMide Suppliers

Canada 1 China 61 India 9 United Kingdom 2 United States 5 Global 78
Shanghai CR Corporation Limited
Tel
13062833949; 4006653949 4006653949
Fax
QQ: 2136646215
Email
fred.wen@crcorporation.cn
Country
China
ProdList
9754
Advantage
58
J & K SCIENTIFIC LTD.
Tel
18210857532; 18210857532
Fax
86-10-82849933
Email
jkinfo@jkchemical.com
Country
China
ProdList
96815
Advantage
76
Chemsky (shanghai) International Co.,Ltd
Tel
021-50135380
Email
shchemsky@sina.com
Country
China
ProdList
15402
Advantage
60
Sinopharm Chemical Reagent Co,Ltd.
Tel
86-21-63210123
Fax
86-21-63290778 86-21-63218885
Email
sj_scrc@sinopharm.com
Country
China
ProdList
9815
Advantage
79
ChemStrong Scientific Co.,Ltd
Tel
0755-0755-66853366 13670046396
Fax
0755-28363542
Email
sales@chem-strong.com
Country
China
ProdList
18333
Advantage
56
Shanghai Kewel Chemical Co., Ltd.
Tel
021-64609169 18901607656
Fax
021-64609160
Email
greensnown@163.com
Country
China
ProdList
9906
Advantage
50
Shanghai Tombiopharma Chemical Co. Ltd.
Tel
13391076197
Email
tombiopharma@163.com
Country
China
ProdList
4987
Advantage
55
Nanjing XiZe Biotechnology CO., Ltd.
Tel
025-58362220 0086-15250997978
Fax
025-58362220
Email
sale@njxizebio.com
Country
China
ProdList
4855
Advantage
55
Tonichem Pharmaceutical Technology Co., Ltd.
Tel
+86 (0752) 222-7171, +86 15815821171
Fax
+86 (0752) 222-6171
Country
China
ProdList
1120
Advantage
58
Beijing Solarbio Science & Tecnology Co., Ltd.
Tel
17801761073
Email
3193328036@qq.com
Country
China
ProdList
6338
Advantage
68
Amadis Chemical Company Limited
Tel
571-89925085
Fax
0086-571-89925065
Email
sales@amadischem.com
Country
China
ProdList
131957
Advantage
58
Shenzhen SUNGENING Bio-Medical Co., Ltd.
Tel
0755-0755-28967200-8062 13631290199
Fax
0755-28967200
Email
wxf@sungening.com
Country
China
ProdList
9624
Advantage
60
Chengdu sainate Biological Technology Co., Ltd.
Tel
18982070362 13880321447
Fax
13880321447
Email
sainatecd@sina.com
Country
China
ProdList
275
Advantage
58
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Tel
+86-400-002-6226 +86-13028896684;
Email
sales@rrkchem.com
Country
China
ProdList
57422
Advantage
58
Shenzhen Botel Biotechnology Co. Ltd.
Tel
13316949107 13316968096
Email
1979313431@qq.com
Country
China
ProdList
9564
Advantage
58
TOSUN PHARM
Tel
020-61855200 13326451905
Email
260366801@qq.com
Country
China
ProdList
7924
Advantage
58
CR Corporation Limited
Tel
+8613062833949
Email
fred.wen@crcorporation.cn
Country
China
ProdList
8645
Advantage
58
Guangzhou Dreampharm Biotechnology Co., Ltd.
Tel
020-36607679 19925672674
Fax
QQ 3008233717
Email
3008233746@qq.com
Country
China
ProdList
9883
Advantage
12
sgtlifesciences pvt ltd
Tel
+8617013299288
Email
dj@sgtlifesciences.com
Country
China
ProdList
12373
Advantage
58
Hubei Ipure Biology Co., Ltd
Tel
+8613367258412
Fax
18062427325
Email
ada@ipurechemical.com
Country
China
ProdList
10237
Advantage
58
HONG KONG IPURE BIOLOGY CO.,LIMITED
Tel
86 18062405514 18062405514
Email
ada@ipurechemical.com
Country
CHINA
ProdList
3461
Advantage
58
Jinan blalong chemical co. LTD
Tel
2710913286@.com
Email
1513643261@qq.com
Country
China
ProdList
14246
Advantage
58
Hefei fuya biotechnology co. LTD
Tel
18096409024
Email
sales02@foreversyn.com
Country
China
ProdList
1961
Advantage
58
Shaanxi Dideu Medichem Co. Ltd
Tel
029-029-81024372 17792795018
Fax
029-88380327
Email
1027@dideu.com
Country
China
ProdList
9997
Advantage
58
Meng Cheng Technology (Shanghai) Co., LTD
Tel
400-820-6829
Email
sales@mitachieve.com
Country
China
ProdList
8860
Advantage
58
Henan Weitesi Chemical Technology Co. LTD
Tel
0371-0371-55135753 18003832934
Fax
QQ：2853979818
Email
2853979818@qq.com
Country
China
ProdList
9991
Advantage
58
Energy Chemical
Tel
021-58432009 400-005-6266
Fax
021-58436166
Email
marketing@energy-chemical.com
Country
China
ProdList
44918
Advantage
58
Guangzhou Juntang Technology Co., Ltd
Tel
020-36607679 13502246435
Email
sales@dmstandards.com
Country
China
ProdList
10945
Advantage
58
Zhuhai Anzhe Biotechnology Co,Ltd.
Tel
13169972583
Email
513211116@qq.com
Country
China
ProdList
3005
Advantage
58
Changzhou Xianglong Pharmaceutical Technology Co., LTD
Tel
18661161657
Email
yaoxiangqiu2021@163.com
Country
China
ProdList
9968
Advantage
58
Molcoo Chemicals Inc.
Tel
18576690171
Email
3001025734@qq.com
Country
China
ProdList
8880
Advantage
58
Huaihua Yuanyanda Biotechnology Co., Ltd
Tel
18711085600
Email
1652923704@qq.com
Country
China
ProdList
4628
Advantage
58
PureChemland Co.,Ltd.
Tel
13540909846 13882008651
Email
3848291069@qq.com
Country
China
ProdList
3001
Advantage
58
Scinova Biotech(Guangzhou) Co., Ltd.
Tel
13268215580
Email
scinova_sales@163.com
Country
China
ProdList
7025
Advantage
58
Cato Research Chemicals Inc.
Tel
020-81960175-877 18933936954
Email
tianwen.zhan@cato-chem.com
Country
China
ProdList
7259
Advantage
58
LGC Science (Shanghai) Ltd.
Tel
17717235263
Email
cindy.yang@lgcgroup.com
Country
China
ProdList
18003
Advantage
58
Suzhou Daolan Biomedical Technology Co., Ltd.
Tel
13771737464
Email
sales@dolanchem.com
Country
China
ProdList
2172
Advantage
58
Heze Aiding Pharmaceutical Co., Ltd
Tel
17661365138
Email
2845578351@qq.com
Country
China
ProdList
7115
Advantage
58
Shanghai Haohong Scientific Co., Ltd.
Tel
400-8210725 4008210725
Email
malulu@leyan.com
Country
China
ProdList
40000
Advantage
58
Shanghai He-H Chemical Technology Co., Ltd
Tel
18621911604
Email
987025641@qq.com
Country
China
ProdList
1063
Advantage
58
Shanghai Zerui Biotechnology Co., Ltd.
Tel
021-54580889 18321124657
Fax
021-54580889
Email
731997554@qq.com
Country
China
ProdList
10608
Advantage
58
Shenzhen Qingtian Biotechnology Co, Ltd.
Tel
18823167005 18162969855
Email
744288988@qq.com
Country
China
ProdList
2629
Advantage
58
Guangzhou Zhenlin Pharmaceutical Technology Co., Ltd
Tel
020-18102736 18102736234
Email
LK@zlstandards.com
Country
China
ProdList
8206
Advantage
58
Nantong Hanfang Biotechnology Co. , Ltd.
Tel
hanfangpharma@126.com; 18616537568
Email
hanfangpharma@126.com
Country
China
ProdList
29965
Advantage
58
Hubei Moco Chemical Co., Ltd.
Tel
18627753421; 18627756402
Fax
QQ：3001051413
Email
3001051413@qq.com
Country
China
ProdList
20319
Advantage
58
Hubei Ruinuo Pharmaceutical Technology Co., Ltd
Tel
0714-5316360; 13165688766
Fax
0714-5316360
Email
3008058303@qq.com
Country
China
ProdList
3000
Advantage
58
Huaihua Yuanyanda Biotechnology Co., Ltd
Tel
18229999901
Email
18711085600@163.com
Country
China
ProdList
4590
Advantage
58
Merck KGaA
Tel
21-20338288
Email
ordercn@merckgroup.com
Country
China
ProdList
6394
Advantage
58
Biosynth Biological Technology (Suzhou) Co Ltd
Tel
51288865780
Email
sales@biosynth.com
Country
China
ProdList
6051
Advantage
58
Santa Cruz Biotechnology Inc
Tel
021-60936350
Email
scbt@scbt.com
Country
China
ProdList
6594
Advantage
58

22407-20-1, 5-(forMylaMino)-1H-pyrazole-4-carboxaMideRelated Search:

3-Amino-4-pyrazolecarboxamide hemisulfate L-Alanyl-L-Glutamine tetrapeptide impurity 3 5-AMINO-1H-PYRAZOLE-4-CARBOXYLIC ACID ETHYL ESTER L-Alanyl-L-Glutamine tetrapeptide impurity 2 L-Glutamine, L-alanyl-L-γ-glutamyl-L-alanyl- ethyl 5-(forMylaMino)-1H-pyrazole-4-carboxylate Oxypurinol -13C, 15N2 Oxipurinol Allopurinol Impurity 1 ALLOPURINOL IMPURITY C Allopurinol Related CoMpound F Allopurinol-d2 Allopurinol 3-Amino-1H-pyrazole-4-carboxamide Ethyl 3-amino-4-pyrazolecarboxylate ALLOPURINOL RIBOSIDE Allopurinol-13C2-15N

  • 3-(ForMylaMino)-1H-pyrazole-4-carboxaMide
  • 5-(forMylaMino)-1H-pyrazole-4-carboxaMide
  • Allopurinol Related CoMpound B
  • Allopurinol EP Impurity B（Allopurinol USP Related Compound B）
  • Allopurinol EP Impurity B or Allopurinol USP Related Compound B
  • Allopurinol EP Imp B
  • 3-(Formylamino)-1H-pyrazole-4-carboxamide 5-(Formylamino)-1H-pyrazole-4-carboxamide
  • Allopurinol EP Impurity B (USP RC B)
  • Allopurinol Related Compound B (25 mg) (5-(formylamino)-1H-pyrazole-4-carboxamide)
  • 3-ForMaMidopyrazole-4-carboxaMide
  • 5-forMaMido-1H-pyrazole-4-carboxaMide
  • Allopurinol EP IMpurity B
  • Allopurinol Impurity 2(Allopurinol EP Impurity B)(Allopurinol USP Related Compound B )
  • Allopurinol impurity B CRS
  • 1H-Pyrazole-4-carboxamide, 3-(formylamino)-
  • Allopurinol EP impurity B/ Allopurinol Related Compound B
  • Allopurinol Impurity1578
  • Allopurinol EP Impurity B -Formate saltQ: What is Allopurinol EP Impurity B -Formate salt Q: What is the CAS Number of Allopurinol EP Impurity B -Formate salt
  • Allopurinol impurity B (A0350020)
  • Allopurinol Related Compound B (5-(formylamino)-1H-pyrazole-4-carboxamide) (1013013)
  • Allopurinol USP Related Compound B
  • b .?5-(f ormyla mi no)-1h -pyra zole -4-c a rb oxa mi d e
  • 3-Formamido-1H-pyrazole-4-carboxamide (Allopurinol Impurity)
  • ALLOPURINOL RC B FORMATE SALT
  • Allopurinol EP Impurity B Allopurinol USP RC B
  • 22407-20-1
  • Bases & Related Reagents
  • Heterocycles
  • Intermediates & Fine Chemicals
  • Nucleotides
  • Pharmaceuticals