(R)-4-Isopropyl-1,3,2-dioxathiolane 2,2-dioxide CAS 291780-07-9
| CAS No. | 291780-07-9 |
| Molecular Formula | C5H10O4S |
| Molecular Weight | 166.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(R)-4-Isopropyl-1,3,2-dioxathiolane 2,2-dioxide (CAS 291780-07-9), molecular formula C5H10O4S and molecular weight 166.20 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a carbohydrate-derived structure, a sulfone group, (R)-4-Isopropyl-1,3,2-dioxathiolane 2,2-dioxide is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 166.20 g/mol — guide the selection of appropriate sample preparation and analytical techniques.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), (R)-4-Isopropyl-1,3,2-dioxathiolane 2,2-dioxide meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C5H10O4S |
| Molecular Weight | 166.20 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 2025 |
| Sulfur Atoms | 1 |
Related R Standards
- (S)-4-Isopropyl-1,3,2-dioxathiolane 2,2-dioxide (CAS 168141-49-9)
- 4-Isopropyl-1,3,2-dioxathiolane 2,2-dioxide (CAS 176094-53-4)
- 2-Isopropyl-4-pyrimidinecarboxylic acid (CAS 1060817-57-3)
- 2-Isopropyl-5-nitropyridine (CAS 131941-21-4)
- 3-Isopropyl-5-nitropyridine (CAS 131941-33-8)
- Isopropyl pyrimidine-4-carboxylate (CAS 1855684-86-4)
- Isopropyl pyrazine-2-carboxylate (CAS 93778-21-3)
- N-isopropyl-2-methoxypyridin-3-amine (CAS 112777-37-4)
Recommended Standards
- (4aR,4a1R,6S,6aR,6a1S,13aS)-6a-(2-Chloroethyl)-8,9-dimethoxy-14-(2-phenylacetyl)-4a,4a1,5,6,6a,6a1,13,13a-octahydro-6,4-(epiminomethano)indolo[3,2,1-ij]oxepino[2,3,4-de]quinolin-12(2H)-one (CAS 34403-87-7)
- [(2S)-oxetan-2-yl]methyl methanesulfonate (CAS 2230200-71-0)
- (3S,4R,5S)-Thiane-2,3,4,5-tetrol (CAS 2089580-30-1)
- [1,3]thiazolo[4,5-c]pyridin-2-ylhydrazine (CAS 65128-68-9)
- 1-Methylpyridine-4(1H)-thione (CAS 6887-59-8)
- 1,2,5-Trimethyl-N-phenethylpiperidin-4-amine (CAS 100096-38-6)
- 6-(Cyclohexyloxy)pyrimidine-2,4,5-triamine hydrochloride (CAS 2135613-82-8)
- 3-Hydroxy-3-(2-methylquinolin-4-yl)propanenitrile (CAS 1516719-99-5)
- 1-[(4-Methylphenyl)methyl]-1H-pyrazol-5-amine (CAS 956438-20-3)
- 2-(4-(2-Ethyl-2H-1,2,3-triazol-4-yl)phenoxy)ethyl acetate (CAS 89220-96-2)
- 2-Acetamido-5-aminophenylboronic Acid (CAS 136237-84-8)
- 2-Ethenyl-6-methylpyrazine (CAS 13925-09-2)
- 4,6-Diamino-2-(trifluoromethyl)-2H,3H-furo[2,3-b]pyridine-5-carbonitrile (CAS 672951-58-5)
- Semaglutide Impurity 155 (x TFA Salt) (CAS CATO-C4X-2226155)
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