Proanthocyanidins CAS 274678-42-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 274678-42-1 |
| Molecular Formula | C31H28O12 |
| Molecular Weight | 592.55 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Proanthocyanidins (CAS 274678-42-1), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C31H28O12. Molecular weight: 592.55 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C31H28O12 |
| Molecular Weight | 592.55 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
Related Proanthocyanidins Standards
Recommended Standards
- Bis(2,5-dioxopyrrolidin-1-yl) 3,6,9,12,15,18,21-heptaoxatricosanedioate (CAS 211746-85-9)
- Diosmin EP Impurity E (CAS 480-36-4)
- 5-Hydroxy-3-(4-methoxyphenyl)-4-oxo-4H-chromen-7-yl 6-O-(6-deoxyhexopyranosyl)hexopyranoside (CAS 53840-60-1)
- 1-(2,4-Dimethyl-5-(piperidin-1-yl)-4,5-dihydrofuran-3-yl)ethanone (CAS 88557-09-9)
- 2-Chloro-6-(trifluoromethoxy)isonicotinic Acid (CAS 1221171-97-6)
- 2-Chloro-5-(6-chlorooxazolo[5,4-b]pyridin-2-yl)aniline (CAS 1354778-26-9)
- 2-Bromo-4-(trifluoromethyl)-1-(3,3,3-trifluoropropoxy)benzene (CAS 1779135-26-0)
- (2-(Pyridin-2-yl)phenyl)methanol (CAS 98061-37-1)
- 2-Amino-N-isopropyl-2-methylpropanamide hydrochloride (CAS 1220027-57-5)
- Peptide 436 (CAS CATO-CPTD788436)
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