(3aR,5R,6R,7R,7aR)-5-(Acetoxymethyl)-2-methyl-5,6,7,7a-tetrahydro-3aH-pyrano[3,2-d]thiazole-6,7-diyl diacetate CAS 67145-37-3
| CAS No. | 67145-37-3 |
| Molecular Formula | C14H19NO7S |
| Molecular Weight | 345.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 345.37 g/mol gives (3aR,5R,6R,7R,7aR)-5-(Acetoxymethyl)-2-methyl-5,6,7,7a-tetrahydro-3aH-pyrano[3,2-d]thiazole-6,7-diyl diacetate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
(3aR,5R,6R,7R,7aR)-5-(Acetoxymethyl)-2-methyl-5,6,7,7a-tetrahydro-3aH-pyrano[3,2-d]thiazole-6,7-diyl diacetate (CAS 67145-37-3), molecular formula C14H19NO7S and molecular weight 345.37 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, (3aR,5R,6R,7R,7aR)-5-(Acetoxymethyl)-2-methyl-5,6,7,7a-tetrahydro-3aH-pyrano[3,2-d]thiazole-6,7-diyl diacetate is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 345.37 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures (3aR,5R,6R,7R,7aR)-5-(Acetoxymethyl)-2-methyl-5,6,7,7a-tetrahydro-3aH-pyrano[3,2-d]thiazole-6,7-diyl diacetate under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C14H19NO7S |
| Molecular Weight | 345.37 g/mol |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1976 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Recommended Standards
- (2S,3S)-2-((Diphenylphosphoryl)(methyl)amino)-3-methylpentanoic acid (CAS 62369-77-1)
- (5-(Thiophen-2-yl)isoxazol-3-yl)methyl 2-(2-methoxyphenoxy)acetate (CAS 946347-02-0)
- N-(2,4-Dimethoxyphenyl)-2-(5-(thiophen-3-yl)-1,3,4-oxadiazol-2-yl)acetamide (CAS 1286703-56-7)
- (S)-2-((Diphenylphosphoryl)(methyl)amino)-4-methylpentanoic acid (CAS 62316-81-8)
- Ethyl 2-(4-cyanophenyl)-2-(phenylamino)acetate (CAS 40577-15-9)
- (2-Methyl-4-(n-propylsulfamoyl)phenyl)boronic acid (CAS 1217501-47-7)
- Methyl 5-((2-ethoxyphenyl)carbamoyl)-2-(4-methoxybenzamido)-4-methylthiophene-3-carboxylate (CAS 335405-89-5)
- Phenyl(2-(thiophen-3-yl)piperidin-1-yl)methanone (CAS 1355219-82-7)
- 2-Ethylcyclopent-2-en-1-one (CAS 2931-10-4)
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