Tosyl-D-phenylalaninoyl chloride CAS 1266583-91-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1266583-91-8 |
| Molecular Formula | C16H16ClNO3S |
| Molecular Weight | 337.82 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Tosyl-D-phenylalaninoyl chloride (CAS 1266583-91-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C16H16ClNO3S. Molecular weight: 337.82 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C16H16ClNO3S |
| Molecular Weight | 337.82 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Tosyl Standards
- Tosyl-L-phenylalaninoyl chloride (CAS 29739-88-6)
- 10-Tosyl-10H-phenoxazine (CAS 55476-47-6)
- 3-Oxo-3-(1-tosyl-1H-indol-2-yl)propanenitrile (CAS 1793076-56-8)
- 1-(5-Phenyl-1-tosyl-1H-pyrrol-2-yl)ethan-1-one (CAS 827024-08-8)
- 3-Methyl-1-tosyl-1,2,3,4-tetrahydro-2,4-methano-1,5-naphthyridine-6-carbonitrile (CAS 2417970-21-7)
- 1-Tosyl-N-(4H-1,2,4-triazol-4-yl)pyrrolidine-2-carboxamide (CAS 1009544-87-9)
- 1-Tosyl-3-(trifluoromethyl)-1H-pyrrolo[2,3-b]pyridine (CAS 1027297-78-4)
- 3-Tosyl-[1,2,3]triazolo[1,5-a]quinazolin-5(4H)-one (CAS 896372-65-9)
Recommended Standards
- 3-Chloro-4'-(pyrrolidin-1-ylsulfonyl)-[1,1'-biphenyl]-4-ol (CAS 1262002-21-0)
- 1-(3-(6-Chloro-2H-chromen-3-yl)-1,2,4-oxadiazol-5-yl)-3-(methylthio)propan-1-amine (CAS 1269534-64-6)
- 5-Chloro-4'-(pyrrolidin-1-ylsulfonyl)-[1,1'-biphenyl]-3-ol (CAS 1261944-96-0)
- 2-(5-(Benzyloxy)-1H-indol-3-yl)acetonitrile (CAS 2436-15-9)
- 2-(Difluoromethoxy)-3-formylphenylpropanal (CAS 1806555-39-4)
- ({2-Oxo-3-[4-(trifluoromethoxy)phenyl]-2H-chromen-7-yl}oxy)acetic acid (CAS 951935-05-0)
- 3-(Dimethylamino)benzoyl isothiocyanate (CAS 100663-23-8)
- N-[2-(2,6-dioxo-3-piperidyl)-1,3-dioxo-isoindolin-5-yl]-2-[2-(2-iodoethoxy)ethoxy]acetamide (CAS 2243016-85-3)
- Fosaprepitant Impurity 5 (CAS CATO-C4X-11685)
- Semaglutide impurity 41 (CAS CATO-C4X-222641)
Why CATO?
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