Phenyl 3,4,6-Tri-O-acetyl-2-deoxy-1-thio-2-(2,2,2-trichloroethoxyformamido)-β-D-galactopyranoside CAS 278784-83-1
| CAS No. | 278784-83-1 |
| Molecular Formula | C21H24Cl3NO9S |
| Molecular Weight | 572.84 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C21H24Cl3NO9S, Phenyl 3,4,6-Tri-O-acetyl-2-deoxy-1-thio-2-(2,2,2-trichloroethoxyformamido)-β-D-galactopyranoside contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 572.84 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Phenyl 3,4,6-Tri-O-acetyl-2-deoxy-1-thio-2-(2,2,2-trichloroethoxyformamido)-β-D-galactopyranoside (CAS 278784-83-1) is a high-purity analytical reference standard with the molecular formula C21H24Cl3NO9S and a molecular weight of 572.84 g/mol.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C21H24Cl3NO9S |
| Molecular Weight | 572.84 g/mol |
| 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; 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.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Recommended Standards
- Phenyl 3,4,6-Tri-O-acetyl-2-deoxy-1-thio-2-(2,2,2-trichloroethoxyformamido)-beta-D-glucopyranoside (CAS 187022-49-7)
- Abiraterone Impurity 40 (CAS 491873-45-1)
- 1-Bis[3-(trifluoromethyl)phenoxy]phosphoryl-4-(3-chlorophenoxy)benzene (CAS 74038-37-2)
- Tolvaptan Impurity 102 (CAS CATO-C4X-1955102)
- Mifepristone-D6 (CAS 1228097-18-4)
- 2-((6-(Cyclopentylamino)-1-methyl-1H-pyrazolo[3,4-d]pyrimidin-4-yl)amino)ethan-1-ol (CAS 897619-34-0)
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- 6-(Methylsulfanyl)pyrimidin-4-amine (CAS 2038-32-6)
- 5-Fluoro-2-(3,3,3-trifluoropropoxy)pyridine (CAS 1707604-95-2)
- 3-(2-Oxocyclopentyl)propanenitrile (CAS 4594-77-8)
- 6-Chloro-3-methyl-1-benzothiophene-2-sulfonyl chloride (CAS 752135-37-8)
- Ethyl 2-ethyl-6-hydroxy-3-methyl-2h-pyrazolo[3,4-b]pyridine-4-carboxylate (CAS 1092184-52-5)
- Semaglutide impurity 237 (CAS CATO-C4X-2226237)
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