9,9-Bis(trifluoromethyl)-2,3,6,7-xanthenetetracarboxylic dianhydride CAS 139162-14-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 139162-14-4 |
| Molecular Formula | C19H4F6O7 |
| Molecular Weight | 458.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 9,9-Bis(trifluoromethyl)-2,3,6,7-xanthenetetracarboxylic dianhydride (CAS 139162-14-4), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C19H4F6O7. Molecular weight: 458.22 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C19H4F6O7 |
| Molecular Weight | 458.22 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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Halogen Content | F-containing |
Related Bis Standards
- Phenyl(3-(((3-(trifluoromethyl)benzyl)sulfonyl)methyl)benzofuran-2-yl)methanone (CAS 866017-29-0)
- 1-[5,7-Bis(trifluoromethyl)-1,8-naphthyridin-2-yl]-4-(4-chlorophenyl)-1H-pyrazol-5-amine (CAS 321522-22-9)
- Ethyl 5-(3-(trifluoromethyl)phenoxy)-3-(3-(trifluoromethyl)phenyl)-1,2,4-triazine-6-carboxylate (CAS 338957-80-5)
- 3-(Trifluoromethyl)phenyl N-{1-[(2,6-dichlorophenyl)methyl]-2-oxo-1,2-dihydropyridin-3-yl}carbamate (CAS 400084-82-4)
- 5-Methyl-7-(3-(trifluoromethyl)phenyl)-N-(3,4,5-trimethoxyphenyl)imidazo[5,1-f][1,2,4]triazin-2-amine (CAS 774460-98-9)
- 4-((5,7-Bis(trifluoromethyl)-1,8-naphthyridin-2-yl)oxy)benzene-1-sulfonyl chloride (CAS 338412-09-2)
- 2,2′-Bis[4-(trifluoromethyl)phenyl]-5,5′-bithiazole (CAS 869896-76-4)
- 6-(Trifluoromethyl) Quinoline-4-thiol Dimer (CAS CATO-C4X-24763)
Recommended Standards
- 7-(Chlorodifluoromethyl)-3-(4-chlorophenyl)-5-(4-(trifluoromethyl)phenyl)pyrazolo[1,5-a]pyrimidine (CAS 439097-30-0)
- 5-[(1E)-1-{2-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]hydrazin-1-ylidene}ethyl]-1-(4-chlorophenyl)-1,2,3,4-tetrahydropyrimidine-2,4-dione (CAS 321432-27-3)
- 4,4'-Bis(3,4-dichlorophenyl)-2,2'-bithiazole (CAS 328070-01-5)
- tert-Butyl 8-(2-aminoethyl)-3-azabicyclo[3.2.1]octane-3-carboxylate (CAS 1341038-78-5)
- 2-Trifluoromethylpiperidine sulfonamide (CAS 1389313-44-3)
- (2-Fluorotetrahydro-1H-pyrrolizin-7a(5H)-yl)methanol-d4 (CAS 2883770-51-0)
- 6-(3-Fluoro-5-hydroxyphenyl)nicotinic acid (CAS 1261954-32-8)
- (2-Amino-1H-imidazol-5-yl)methanol hydrochloride (CAS 62174-85-0)
- Sec-butyl (3,3,4,4,5,5,6,6,6-nonafluorohexyl) carbonate (CAS 1980034-90-9)
- (Thr(PO3H2)231)-Tau Peptide (225-237) trifluoroacetate salt (CAS 1670270-09-3)
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 13829788188 / jacky.chen@cato-chem.com