Riboflavin Impurity N18 CAS 3051-94-3
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 3051-94-3 |
| Molecular Formula | C13H21NO4 |
| Molecular Weight | 255.31 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Riboflavin Impurity N18 (CAS 3051-94-3), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C13H21NO4. Molecular weight: 255.31 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C13H21NO4 |
| Molecular Weight | 255.31 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, 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; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 1 |
Related Riboflavin Standards
- Riboflavin EP Impurity A (CAS 1088-56-8)
- Riboflavin EP Impurity B (CAS 1086-80-2)
- Riboflavin Impurity 37 (CAS 14684-48-1)
- Riboflavin Impurity 13 (CAS 4250-90-2)
- Riboflavin Impurity 14 (CAS 21079-31-2)
- Riboflavin EP Impurity C (CAS 2535-20-8)
- Riboflavin Impurity 29 (CAS CATO-C4X-181929)
- Riboflavin Impurity 12 (CAS 64480-68-8)
Recommended Standards
- rel-(3S,3aS,6aR)-2-tert-butoxycarbonyl-3,3a,4,5,6,6a-hexahydro-1H-cyclopenta[c]pyrrole-3-carboxylic acid (CAS 926276-09-7)
- S-(-)-SKF-38393 (CAS 81702-43-4)
- rel-(3aR,5S,6aS)-2-[(tert-butoxy)carbonyl]-octahydrocyclopenta[c]pyrrole-5-carboxylic acid (CAS 442877-23-8)
- Minoxidil Impurity 56 (CAS CATO-C4X-170056)
- Methocarbamol Impurity 1 (CAS 10488-39-8)
- N,N-diethyl-1H-pyrazole-4-carboxamide (CAS 1153845-34-1)
- (R)-1-(2,4-dimethylphenyl)but-3-en-1-amine (CAS 1269937-98-5)
- 2-(2-methylcyclopropyl)cyclopropane-1-carboxylic acid (CAS 2060042-39-7)
- Methyl 4,5-dimethyl-2-nitrobenzoate (CAS 90922-74-0)
- D-Thr7-Tirzepatide (CAS CATO-CPTD788924)
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