Tenofovir disoproxil Impurity 40(Azathioprine EP Impurity F) CAS 68-94-0
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 68-94-0 |
| Molecular Formula | C5H4N4O |
| Molecular Weight | 136.11 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Tenofovir disoproxil Impurity 40(Azathioprine EP Impurity F) (CAS 68-94-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C5H4N4O. Molecular weight: 136.11 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C5H4N4O |
| Molecular Weight | 136.11 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 | 4 |
Related Tenofovir Standards
- Tenofovir Impurity 90 (CAS 49622-08-4)
- Tenofovir Impurity 114 (CAS 2227-98-7)
- Tenofovir disoproxil Impurity 56 (CAS 76483-21-1)
- Tenofovir disoproxil Impurity 95 (CAS 58989-06-3)
- Tenofovir disoproxil Impurity 136 (CAS CATO-C4X-1076136)
- Tenofovir Impurity 115 (CAS 155102-96-8)
- Tenofovir disoproxil Impurity 76 (CAS 40510-81-4)
- Tenofovir Disoproxil Impurity 45 (CAS 35273-90-6)
Recommended Standards
- 1,7-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one (CAS 916980-04-6)
- Olaparib Impurity 74 (CAS 39968-33-7)
- 76044-31-0 [1,2,4]Triazolo[1,5-c]pyrimidin-5(3H)-one DTXSID60504110 (CAS 76044-31-0)
- Ketorolac Impurity 25 (CAS CATO-C4X-166925)
- Flibanserin Impurity 11 (CAS CATO-C4X-198111)
- 2-Acetoxybiphenyl 2-Biphenylol acetate 2-Biphenylol, acetate 3271-80-5 NSC-30651 NSC30651 [1, acetate (CAS 3271-80-5)
- 2-Bromo-4,6-dichloropyridine (CAS 1060815-15-7)
- Omadacycline impurity 18 (CAS CATO-C4X-285718)
- 2-Amino-4H-purin-6-ol (CAS 914452-02-1)
- (10-31)Semaglutide (CAS CATO-C4X-2226283)
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