Metformin EP Impurity A CAS 461-58-5
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 461-58-5 |
| Molecular Formula | C2H4N4 |
| Molecular Weight | 84.08 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
High-purity Metformin EP Impurity A (CAS 461-58-5) pharmacopoeial impurity standards reference standard. Molecular formula: C2H4N4. Molecular weight: 84.08 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C2H4N4 |
| Molecular Weight | 84.08 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 4 |
Related Metformin Standards
- Metformin Impurity 34 (CAS 6145-42-2)
- Metformin Impurity 35 (CAS 7260-94-8)
- Metformin Impurity 532 (CAS 141-83-3)
- Metformin Impurity 13 (CAS 4390-68-5)
- Metformin impurity 39 (CAS CATO-C4X-122039)
- Metformin Impurity N74 (CAS 1609-00-3)
- Metformin Impurity 27 (CAS 18240-93-2)
- Metformin Impurity 18 (CAS 58228-69-6)
Recommended Standards
- Cefoperazone Impurity 45 (CAS 16681-77-9)
- Letrozole Impurity 37 (CAS 30132-90-2)
- 4-Amino-1,2,4-triazole (CAS 584-13-4)
- Alogliptin Impurity 69 (CAS 1243378-31-5)
- Mivacurium chloride Impurity 58 (CAS CATO-C4X-137558)
- (6-Nitro-2H-1,3-benzodioxol-5-yl)methyl 4-methylbenzoate (CAS 331460-09-4)
- N-(3-Methoxyphenyl)-2-(4-oxoquinazolin-3(4H)-yl)acetamide (CAS 108086-41-5)
- 6-Chloro-2H-chromene-3-carboxylic acid (CAS 83823-06-7)
- ethyl 2-(acetylamino)-2-chloro-3,3,3-trifluoropropanoate (CAS 328918-08-7)
- Semaglutide Impurity 162 (x TFA Salt) (CAS CATO-C4X-2226162)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com