Mercaptopurine Monohydrate EP Impurity B CAS 73-24-5
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 73-24-5 |
| Molecular Formula | C5H5N5 |
| Molecular Weight | 135.13 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Mercaptopurine Monohydrate EP Impurity B (CAS 73-24-5) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C5H5N5. Molecular weight: 135.13 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C5H5N5 |
| Molecular Weight | 135.13 g/mol |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 5 |
Related Mercaptopurine Standards
- 2-Mercaptopurine (CAS 28128-19-0)
- Mercaptopurine Impurity 2 (CAS 4897-31-8)
- 6-Methyl mercaptopurine-D3 (CAS 33312-93-5)
- 6-Mercaptopurine-2'-deoxyriboside, 98% (CAS 2239-64-7)
- 6-Mercaptopurine- (CAS 207729-57-5)
- MERCAPTOPURINE MONOHYDRATE, 6- (CAS 84-39-9)
- 6-Mercaptopurine Hydrochloride-13C,15N2 (CAS CATO-C3D-25905)
- 6-Mercaptopurine-9-β-D-ribofuranoside (CAS 574-25-4)
Recommended Standards
- 31602-66-1 5-(1H-pyrrol-2-yl)-1H-1,2,3,4-tetrazole KS-00003H5G (CAS 31602-66-1)
- Temozolomide Impurity 16 (CAS 71749-37-6)
- Theophylline Impurity 4 (CAS 20289-44-5)
- Duloxetine Impurity 49 (CAS 116817-79-9)
- Propafenone Impurity 29 (CAS 36941-00-1)
- 2-(4-Chlorophenyl)-3-methyl-N-(thiazol-2-yl)butanamide (CAS 300851-67-6)
- Rimegepant Impurity 39 (CAS CATO-C4X-248739)
- (2E)-3-(3,4-Dimethoxyphenyl)-1-(4-fluorophenyl)prop-2-en-1-one (CAS 28081-14-3)
- 47743-70-4 1,4-Benzenediamine, N1,N1-bis(4-(diethylamino)phenyl)-N4,N4-diethyl- 1,4-Benzenediamine, N,N-bis(4-(diethylamino)phenyl)-N',N'-diethyl- (CAS 47743-70-4)
- Peptide 46 (H-4054.0500) (CAS 192122-40-0)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com