Isopropyl 1-Thio-β-D-galactopyranoside CAS 367-93-1
| CAS No. | 367-93-1 |
| Molecular Formula | C9H18O5S |
| Molecular Weight | 238.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Isopropyl 1-Thio-β-D-galactopyranoside (CAS 367-93-1), molecular formula C9H18O5S and molecular weight 238.30 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Isopropyl 1-Thio-β-D-galactopyranoside (C9H18O5S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 1.0, corresponding to approximately 1 ring(s) or double-bond equivalent(s). With a molecular weight of 238.30 g/mol, it falls into the medium-molecular-weight range.
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 | C9H18O5S |
| Molecular Weight | 238.30 g/mol |
| Purity | >95% |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1957 |
| Sulfur Atoms | 1 |
Related Isopropyl Standards
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- 2-(Isopropyl(3-nitrobenzyl)amino)ethanol (CAS 1271530-46-1)
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Recommended Standards
- N-Acetyl-S-(2-carbamoylethyl-d4)-L-cysteine (CAS CATO-CCAD302168)
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- Pimavanserin Impurity 37 (CAS CATO-C4X-193837)
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- 4-Cyclopropyl-2-hydrazinyl-6-(trifluoromethyl)pyrimidine (CAS 869945-40-4)
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- 2-(5-Fluoro-1-methyl-1h-1,3-benzodiazol-2-yl)-6-methylphenol (CAS 1183445-61-5)
- 4-Chloroquinoline-8-carboxylic acid (CAS 216257-37-3)
- 3-Methoxy-N-(2-methoxybenzyl)-1-methyl-1H-pyrazol-4-amine hydrochloride (CAS 1855952-70-3)
- 1-Isopropyl-3-methyl-1H-indazole (CAS 128364-68-1)
- 2-Amino-5-methylthiazole-4-carbohydrazide (CAS 1379308-65-2)
- 2,3-Dihydrospiro[indene-1,3'-pyrrolidine] (CAS 16976-98-0)
- Nefopam impurity 25 (CAS CATO-C4X-283725)
- D-Ala28-Tirzepatide (CAS CATO-CPTD788906)
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