1,3-Diethynyl-5-fluorobenzene CAS 219633-74-6
| CAS No. | 219633-74-6 |
| Molecular Formula | C10H5F |
| Molecular Weight | 144.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 144.15 g/mol gives 1,3-Diethynyl-5-fluorobenzene distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
1,3-Diethynyl-5-fluorobenzene (CAS 219633-74-6), molecular formula C10H5F and molecular weight 144.15 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to fluorine substitution, an aromatic ring system, 1,3-Diethynyl-5-fluorobenzene is typically pale yellow to yellow liquid. Its solid-state physicochemical attributes — including a molecular weight of 144.15 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 1,3-Diethynyl-5-fluorobenzene 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 | C10H5F |
| Molecular Weight | 144.15 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2019 |
| Halogen Content | F-containing |
Related Diethynyl Standards
- 1,4-Diethynyl-2-fluorobenzene (CAS 137000-66-9)
- 1,2-Diethynyl-3-fluorobenzene (CAS 412041-38-4)
- 1,2-Diethynyl-4-fluorobenzene (CAS 336106-79-7)
- 1,5-Diethynyl-2,4-dimethylbenzene (CAS 1379822-09-9)
- 1,2-diethynyl-4,5-dimethylbenzene (CAS 46037-61-0)
- 1,4-Diethynyl-2,5-dimethylbenzene (CAS 75867-45-7)
- 1,5-Diethynyl-2,4-difluorobenzene (CAS 1379822-11-3)
- 1,4-Diethynyl-2,3-difluorobenzene (CAS 1430403-93-2)
Recommended Standards
- 1-Ethyl-2-methyl-3-phospholene 1-Oxide (CAS 61441-50-7)
- 1-Ethyl-3-methyl-3-phospholene 1-oxide (CAS 7529-24-0)
- 5-hydroxythiophene-2-carboxylic acid (CAS 1881320-94-0)
- 2-(1,2,3-Thiadiazol-4-yl)acetic acid (CAS 35987-88-3)
- 2-Iodo-4-methylaniline, 97% (CAS 29289-13-2)
- Benzenesulfonic acid, (acetylamino)- (CAS 138721-63-8)
- 4-(5-Chloro-1H-1,2,4-triazol-3-yl)phenol (CAS 1315346-26-9)
- 1H-Pyrrolo[2,3-b]pyridin-3-amine, 2-methyl- (CAS 936243-44-6)
- 5-(Aminomethyl)-1-methylpyrrolidin-2-one oxalate (CAS 1609395-46-1)
- 1-Cyclopropyl-1-(3-methylthiophen-2-yl)ethan-1-ol (CAS 1465087-58-4)
- Ethyl (2Z)-2-chloro-2-[2-(3,5-dimethylphenyl)hydrazin-1-ylidene]acetate (CAS 154313-12-9)
- 1-BENZYL-3-(1-HYDROXYCLCOBUTYL)PYRROLIDIN-2-ONE (CAS 1817737-79-3)
- 2-(4-Methoxyphenyl)butanoic acid (CAS 29644-99-3)
- Crustacean Cardioactive Peptide (CAS 107090-96-0)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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