2-Chloro-1,3,2-dioxaphospholane CAS 822-39-9
| CAS No. | 822-39-9 |
| Molecular Formula | C2H4ClO2P |
| Molecular Weight | 126.48 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 2-Chloro-1,3,2-dioxaphospholane 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.
2-Chloro-1,3,2-dioxaphospholane (CAS 822-39-9), molecular formula C2H4ClO2P and molecular weight 126.48 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2-Chloro-1,3,2-dioxaphospholane (C2H4ClO2P) contains organophosphorus functionality, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 0.5, corresponding to approximately 0 ring(s) or double-bond equivalent(s). With a molecular weight of 126.48 g/mol, it falls into the low-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C2H4ClO2P |
| Molecular Weight | 126.48 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 0.5 |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Cl-containing |
Related Chloro Standards
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Recommended Standards
- Vinylmethylsilacyclopentane (CAS 3944-18-1)
- 462-27-1 Carbonochloridic acid, 2-fluoroethyl ester (9CI) Formic acid, chloro-, 2-fluoroethyl ester 4-03-00-00024 (Beilstein Handbook Reference) BRN 1746655 Chloroformic acid 2-fluoroethyl ester 2-Fluorethylester kyseliny chlormravenci [Czech] 2-Fluoroethyl chloroformate TL 751 2-Fluorethylester kyseliny chlormravenci (CAS 462-27-1)
- 1-Methyl-1-(trimethylsilyl)allene (CAS 74542-82-8)
- (Chloromethyl)dimethylphosphine Oxide (CAS 1638-75-1)
- 4,5,6,7-Tetrahydro-1,3-benzothiazol-2-amine hydroiodide (CAS 118926-63-9)
- Z-DL-β-Homoalanine (CAS 51440-81-4)
- 1-Benzhydrylazetidine-2-carboxylic Acid (CAS 65219-11-6)
- ethyl 2-formyl-1,3-thiazole-5-carboxylate (CAS 509083-71-0)
- Cefdinir CP Impurity R (CAS 178601-88-2)
- (2-methanesulfonyl-6-methoxyphenyl)hydrazine hydrochloride (CAS 1803598-65-3)
- 3-Amino-6-chloro-4-iodopyridine (CAS 351227-42-4)
- tert-butyl N-[(1R,3S)-3-aminocyclopentyl]carbamate;hydrochloride (CAS 2227743-71-5)
- 2-(4-Bromo-5-fluoro-2-methylphenyl)-1,3-dioxolane (CAS 2379322-29-7)
- Semaglutide Impurity 6 (CAS 62-57-7)
Why CATO?
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