2-(Methylsulfonyl) Phenothiazine CAS 23503-68-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 23503-68-6 |
| Molecular Formula | C13H11NO2S2 |
| Molecular Weight | 277.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
2-(Methylsulfonyl) Phenothiazine (CAS 23503-68-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C13H11NO2S2. Molecular weight: 277.36 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C13H11NO2S2 |
| Molecular Weight | 277.36 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 2 |
Related Methylsulfonyl Standards
Recommended Standards
- N-Acetylprocainamide (CAS 32795-44-1)
- 2,6-Dimethyl-4-(6-piperazin-1-ylpyrimidin-4-yl)morpholine (CAS 1204298-20-3)
- ZHC-116 Impurity 7 (CAS CATO-C4X-23887)
- 5,6,7,8-Tetrahydropyrido[2,3-d]pyrimidine-2,4-diol (CAS 21139-92-4)
- 5-(N-benzyl-N-methylsulfamoyl)-2-bromobenzoic acid (CAS 692761-70-9)
- 4,7-Dichloroquinoline-2-carboxylic acid (CAS 52144-11-3)
- 6-(Trifluoromethyl)isoquinoline-1,3(2H,4H)-dione (CAS 501130-54-7)
- cis-Pyrrolidine-3,4-diol (CAS 131565-87-2)
- Isavuconazole Impurity 72 (CAS 192225-36-8)
- Tirzepatide Impurity 10 (CAS CATO-C4X-324010)
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