Cyclic Diphosphorochloridite Pentaerythritol CAS 3643-70-7
| CAS No. | 3643-70-7 |
| Molecular Formula | C5H8Cl2O4P2 |
| Molecular Weight | 264.97 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a carbohydrate-derived structure, a phosphate ester group, chlorine substitution, Cyclic Diphosphorochloridite Pentaerythritol is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 264.97 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Cyclic Diphosphorochloridite Pentaerythritol (CAS 3643-70-7) is a high-purity analytical reference standard with the molecular formula C5H8Cl2O4P2 and a molecular weight of 264.97 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.
CATO manufactures Cyclic Diphosphorochloridite Pentaerythritol 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 | C5H8Cl2O4P2 |
| Molecular Weight | 264.97 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1958 |
| Halogen Content | Cl-containing |
Related Cyclic Standards
- Cyclic N-Acetyl-D-mannosamine (CAS 7772-94-3)
- Cyclic acid (CAS 59564-78-2)
- Rp-Cyclic AMPS (CAS 151837-09-1)
- Cyclic 8-piperidino-3',5'-AMP (CAS 31357-06-9)
- Cyclic Olefin Copolymer (F0M398) (CAS 26007-43-2)
- Cyclic Pifithrin-α Hydrobromide (CAS 511296-88-1)
- Cyclic-di-GMP sodium salt (CAS 2222132-40-1)
- cyclic adenosine diphosphate nucleic acid sugar (CAS 119340-53-3)
Recommended Standards
- Bromhexine Impurity 23 (CAS 30273-41-7)
- 4-Methyl-8-(2-(trifluoromethyl)cyclopropyl)dihydro-4lambda4,8lambda4-[1,3,2]oxazaborolo[2,3-b][1,3,2]oxazaborole-2,6(3H,5H)-dione (CAS 1309955-07-4)
- Rupatadine Impurity 5 (CAS 35991-75-4)
- 1-Bromo-5-fluoro-2,4-dinitrobenzene (CAS 400-91-9)
- 10-(3-Nitrophenyl)-2,3-dihydroimidazo[2,1-b]quinazolin-5(10H)-one (CAS 88969-72-6)
- 2-Amino-6-tert-butyl-N-isopropyl-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxamide (CAS 588678-89-1)
- 2-Chloro-8-(phenylselanyl)cyclooctanone (CAS 115534-55-9)
- 2-(5-Methyl-4-nitro-1H-pyrazol-1-yl)ethan-1-ol (CAS 1795433-28-1)
- 3'-Methyl-[1,1'-biphenyl]-2-amine hydrochloride (CAS 139769-13-4)
- 2-((1-(Aminomethyl)-4-isopropylcyclohexyl)oxy)ethan-1-ol (CAS 1492871-80-3)
- 1-Benzyl-3-(2-chloro-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)urea (CAS 2246778-85-6)
- (2,6-Dimethylphenyl)(pyridin-3-yl)methanone (CAS 1187167-43-6)
- 5-Nitro-3-(pyridin-3-yl)-1H-indazole (CAS 1356087-84-7)
- Semaglutide impurity 227 (CAS CATO-C4X-2226227)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com