甲氨蝶呤杂质5 CAS 207283-64-5
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 207283-64-5 |
| Molecular Formula | C8H8N10 |
| Molecular Weight | 244.22 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
甲氨蝶呤杂质5 (CAS 207283-64-5) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C8H8N10. Molecular weight: 244.22 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C8H8N10 |
| Molecular Weight | 244.22 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2016 |
| Nitrogen Atoms | 10 |
Recommended Standards
- (3-methoxyphenyl)phosphonic acid diethyl ester 65442-22-0 (CAS 65442-22-0)
- Celecoxib Impurity 44 (CAS CATO-C4X-104344)
- 25526-93-6 PG53R0DWDQ Alovudine Alovudine [USAN:INN] 3'-Fluorothymidine Thymidine, 3'-deoxy-3'-fluoro- BRN 0754299 CL 184824 3'-Deoxy-3'-fluorothymidine FLT 3'-Fluorodeoxythymidine 3'-Fluoro-3'-deoxythymidine NSC 140025 FddT DRG-0097 1-(3'-Deoxy-3'-fluoro-beta-D-pentofuranosyl)thymine UNII-PG53R0DWDQ CL 184,824 3'-Deoxy-3'-18F fluorothymidine (CAS 25526-93-6)
- Urapidil Impurity 27 (CAS 31737-09-4)
- Amisulpride Impurity 25 (CAS 483304-04-7)
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- 2-Propenenitrile, polymer with (chloromethyl)ethenylbenzene and diethenylbenzene (CAS 9082-27-3)
- 4-Chloro-2-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]-6-(trifluoromethyl)pyrimidine (CAS 1795300-47-8)
- His-Aib-Semaglutide (CAS CATO-C4X-2226220)
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