Methylene violet CAS 2516-05-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2516-05-4 |
| Molecular Formula | C14H12N2OS |
| Molecular Weight | 256.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Methylene violet (CAS 2516-05-4) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C14H12N2OS. Molecular weight: 256.32 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C14H12N2OS |
| Molecular Weight | 256.32 g/mol |
| Purity | 97%+ |
| 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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Recommended Standards
- tert-Butyl 8-oxo-6-thioxo-5,7-diazaspiro[3.4]octane-5-carboxylate (CAS 2754275-70-0)
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- Tert-butyl 2-(hydroxymethyl)-4,6-dihydro-5H-pyrrolo[3,4-d]thiazole-5-carboxylate (CAS 439692-15-6)
- 2-(2-Bromo-4-fluoro-5-nitrophenyl)acetic acid (CAS 1012879-09-2)
- 1-[(4-tert-Butylphenyl)methyl]-2,3,4,5-tetrahydro-1H-1-benzazepin-2-one (CAS 303988-01-4)
- N-(tert-Butyl)-4,5,6,7-tetrahydro-1H-pyrazolo-[4,3-c]pyridine-3-carboxamide hydrochloride (CAS 1220027-65-5)
- 5-Hydroxy-4-methyl-2H-pyran-3(6H)-one (CAS 61363-76-6)
- 2-(4-(3-Chlorophenyl)piperazin-1-yl)-N-(perfluorophenyl)acetamide (CAS 301194-18-3)
- 3-(2,4-Difluorophenoxy)pyrrolidine (CAS 946715-62-4)
- D-Asp15-Tirzepatide (CAS CATO-CPTD788919)
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