1,4-Dibromo-1,1,2,2-tetrafluorobutane CAS 18599-20-7
| CAS No. | 18599-20-7 |
| Molecular Formula | C4H4Br2F4 |
| Molecular Weight | 287.88 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 1,4-Dibromo-1,1,2,2-tetrafluorobutane.
CATO supplies 1,4-Dibromo-1,1,2,2-tetrafluorobutane (CAS 18599-20-7), a certified reference material (molecular formula C4H4Br2F4, MW 287.88 g/mol) for analytical method development and quality control.
Owing to fluorine/bromine substitution, 1,4-Dibromo-1,1,2,2-tetrafluorobutane is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 287.88 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.
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), 1,4-Dibromo-1,1,2,2-tetrafluorobutane 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 | C4H4Br2F4 |
| Molecular Weight | 287.88 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 0.0 |
| CAS Registry Year (est.) | 1962 |
| Halogen Content | F/Br-containing |
Related Dibromo Standards
- 4,6-Dibromo-2,3-difluorophenol (CAS 1242336-65-7)
- 2,4-Dibromo-3,5-difluorophenol (CAS 1785533-13-2)
- 3,5-Dibromo-2,4-difluorophenol (CAS 1803816-23-0)
- 2,5-Dibromo-3,6-difluorophenol (CAS 1806326-44-2)
- 3,4-DIbromo-1,1,1,3-tetrafluorobutane (CAS 933668-36-1)
- Methyl 3,5-dibromo-4-oxopentanoate (CAS 140663-07-6)
- Ethyl 2,2-dibromo-3-oxobutanoate (CAS 89415-67-8)
- 2,5-Dibromo-1,8-naphthyridine (CAS 1260657-29-1)
Recommended Standards
- 4-Bromo-3,6-dichloro-2-fluorobenzoic acid (CAS 1160573-27-2)
- 3,6-Dibromopyrazine-2,5-dicarbonitrile (CAS 1391026-27-9)
- 3-Bromo-2,4-dichloro-6-fluorobenzoic acid (CAS 2586126-17-0)
- 4-(((tert-Butyldimethylsilyl)oxy)methyl)-2-chloro-6-methoxypyridine (CAS 944407-72-1)
- 5-Bromo-2,3-dihydrobenzo[b][1,4]dioxine-6-carbaldehyde (CAS 1853176-79-0)
- N-(2,4-difluorophenyl)-1-(5-((4-fluorophenyl)thio)-1-methyl-3-(trifluoromethyl)-1H-pyrazol-4-yl)methanimine (CAS 477711-92-5)
- 3-(4-(Dimethylamino)piperidin-1-yl)propanoic acid (CAS 1154667-71-6)
- 3-Methylenecyclobutanecarbonitrile (CAS 15760-35-7)
- rac-Ketoprofen acyl-beta-D-glucuronide (mixture of isomers) (CAS 76690-94-3)
- Phthalic acid, n-butyl-n-decyl ester (CAS 89-19-0)
- 3β-DOXYL-5α-cholestane, free radical (CAS 55569-61-4)
- 2-((4-Bromophenyl)dimethylsilyl)benzyl acetate (CAS 953412-91-4)
- 6-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)naphthalen-2-amine (CAS 1312611-42-9)
- Des-Ser39-Tirzepatide (CAS CATO-CPTD788936)
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