Pigment Red 13 CAS 6535-47-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 6535-47-3 |
| Molecular Formula | C25H20N4O4 |
| Molecular Weight | 440.45 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Pigment Red 13 (CAS 6535-47-3) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C25H20N4O4. Molecular weight: 440.45 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C25H20N4O4 |
| Molecular Weight | 440.45 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) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 4 |
Related Pigment Standards
Recommended Standards
- N-[5-[Bis(2-methoxyethyl)amino]-2-[(2-cyano-4-nitrophenyl)azo]phenyl]acetamide (CAS 52549-57-2)
- N-(benzo[d][1,3]dioxol-5-ylmethyl)-2-(4-(4-(pyridin-2-yl)pyrimidin-2-yl)phenoxy)acetamide (CAS 478034-04-7)
- Di-tert-butylsilyl bis(trifluoromethanesulfonate) di-t-butylsilylbis(trifluoromethanesulfonate) di-t-butylsilyl bis(trifluoromethane)sulfonate di(t-butyl)silyl bis(trifluoromethanesulphonate) di-tert-butylsilyl bis(trifluoromethanesulphonate) di(t-butyl)silyl bis(trifluoromethanesulfonate) Di-t-butylsilyl(triflate) DTBS ditriflate Di-tert-butylsilyl ditriflate Trifluoromethanesulfonic acid di-tert-butylsilylene ester 85272-31-7 S05900 (CAS 85272-31-7)
- Methyl 4-[(methylthio)methyl]benzoate (CAS 67003-49-0)
- (2-(Thiophen-2-yl)cyclopropyl)methanamine (CAS 1226016-59-6)
- Miriplatin hydrate (CAS 250159-48-9)
- 3-((Tetrahydro-2H-pyran-4-yl)oxy)propan-1-amine (CAS 933758-72-6)
- 4-Bromo-5-chloro-3-methyl-1-(4-nitrophenyl)-1H-pyrazole (CAS 90766-91-9)
- 2-Chloro-N-isopropyl-N-((S)-1-methyl-piperidin-3-yl)-acetamide (CAS 1353970-33-8)
- Semaglutide Impurity 151 xTFA (CAS CATO-C4X-2226151)
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