(11bS)-2,6-Dibromo-4-hydroxydinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepine 4-oxide CAS 1644121-35-6
| CAS No. | 1644121-35-6 |
| Molecular Formula | C20H11Br2O4P |
| Molecular Weight | 506.08 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies (11bS)-2,6-Dibromo-4-hydroxydinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepine 4-oxide (CAS 1644121-35-6), a certified reference material (molecular formula C20H11Br2O4P, MW 506.08 g/mol) for analytical method development and quality control.
Owing to a flavonoid core, a phosphate ester group, a hydroxyl group, an ether linkage, bromine substitution, (11bS)-2,6-Dibromo-4-hydroxydinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepine 4-oxide is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 506.08 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 (11bS)-2,6-Dibromo-4-hydroxydinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepine 4-oxide 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 | C20H11Br2O4P |
| Molecular Weight | 506.08 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 14.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1993 |
| Halogen Content | Br-containing |
Related bS Standards
- (R)-2,6-Dibromo-4-hydroxydinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepine 4-oxide (CAS 861909-33-3)
- 4-(3,5-Dibromo-2-pyridylazo)-N-ethyl-N-(3-sulfo-propyl)aniline sodium salt monohydrate (CAS 100743-65-5)
- 11-(3,5-Dibromo-4-hydroxyphenyl)-3,3,8-trimethyl-2,3,4,5,10,11-hexahydro-1H-dibenzo[b,e][1,4]diazepin-1-one (CAS 1024232-75-4)
- 1,2-Dibromo-1h,1h,2h-perfluorooctane (CAS 51249-62-8)
- (E)-[(5,7-Dibromo-1-benzofuran-2-yl)(phenyl)methylidene]amino thiophene-2-carboxylate (CAS 477858-33-6)
- 2,7-Dibromo-9-(tridecan-7-yl)-9H-carbazole (CAS 1256704-63-8)
- 2,6-Dibromo-4,4-dihexyl-4H-cyclopenta[2,1-b:3,4-b’]dithiophene (CAS 528570-55-0)
- 2,7-Dibromo-9-(tridecan-7-ylidene)-9H-fluorene (CAS 738580-15-9)
Recommended Standards
- 3-(2-Fluorobenzyl)-6,8-diiodoquinazolin-4(3H)-one (CAS 302913-43-5)
- 4-Pivaloyloxy Toremifene (CAS 177748-20-8)
- Revefenacin Impurity 51 (CAS CATO-C4X-203151)
- 9-([1,1'-Biphenyl]-4-yl)-3-(4-chlorophenyl)-6-phenyl-9H-carbazole (CAS 1221238-04-5)
- Zinc fluoride tetrahydrate, 98% (CAS 13986-18-0)
- 3,5-Diisopropylisoxazole (CAS 134651-02-8)
- 4-Bromo-3-(difluoromethyl)-5-fluoropyridine-2-acetic acid (CAS 1806062-03-2)
- 1-(Cyclobutylmethyl)-4-iodo-1H-pyrazole (CAS 1489696-48-1)
- Amlodipine Impurity 80 (CAS CATO-C4X-109580)
- 1-(2-Fluoroethyl)-4-nitro-1H-pyrazole-3-carbonyl chloride (CAS 1823422-16-7)
- 3-Chloro-2,6-dimethylimidazo[1,2-b]pyridazine (CAS 1936397-13-5)
- 2,3-Dibromo-5,6-dimethoxybenzaldehyde (CAS 875001-44-8)
- 7-(Benzyloxy)chroman-4-one (CAS 31042-20-3)
- Tirzepatide Impurity 19 X TFA Salt (CAS CATO-C4X-324019)
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