Pemetrexed Impurity CAS 1644286-35-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1644286-35-0 |
| Molecular Formula | C21H23N5O6 |
| Molecular Weight | 441.44 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Pemetrexed Impurity (CAS 1644286-35-0), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C21H23N5O6. Molecular weight: 441.44 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C21H23N5O6 |
| Molecular Weight | 441.44 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1993 |
| Nitrogen Atoms | 5 |
Related Pemetrexed Standards
- Pemetrexed Impurity 15 (Mixture of Diastereomers) (CAS 193281-00-4)
- Pemetrexed Impurity 27 (CAS CATO-C4X-172627)
- Pemetrexed Impurity 9 (CAS 193281-05-9)
- Pemetrexed Impurity 18 (CAS CATO-C4X-172618)
- Pemetrexed Impurity 19 (CAS CATO-C4X-172619)
- (+/-)-Pemetrexed (CAS 756887-58-8)
- Pemetrexed Impurity 13 (CAS CATO-C4X-172613)
- Pemetrexed (CAS 137281-23-3)
Recommended Standards
- Fmoc-n-omega-nitro-d-arginine (CAS 160347-94-4)
- N-(3,4-Dimethoxyphenyl)-2-[4-(5-methyl-1,2,4-oxadiazol-3-yl)-1,3-dioxo-1H,2H,3H,5H,6H,7H,8H-pyrido[1,2-c]pyrimidin-2-yl]acetamide (CAS 1775425-42-7)
- 3',5'-Di-O-acetyl O6-Benzyl-2'-deoxyguanosine (CAS 144640-75-5)
- tert-Butyl n-[cyano(2-methoxyphenyl)methyl]carbamate (CAS 774225-46-6)
- 3-Phenylpyridine-2-sulfonyl chloride (CAS 127175-12-6)
- 2,3-Difluoro-6-iodopyridine (CAS 1227564-36-4)
- 1011366-29-2 5-Morpholin-4-yl-2-propoxy-benzoic acidhydrochloride 7319AC C14H20ClNO4 (CAS 1011366-29-2)
- 2,3,4-Trifluoro-5-methylbenzonitrile (CAS 1533973-82-8)
- (S)-2-Amino-N-(1-benzylpyrrolidin-3-yl)-N-ethylacetamide (CAS 1354000-06-8)
- Glucagon receptor antagonist I (CAS 438618-32-7)
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