4-Chlorofuran-2-carbonitrile CAS 1399657-96-5
| CAS No. | 1399657-96-5 |
| Molecular Formula | C5H2ClNO |
| Molecular Weight | 127.53 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 127.53 g/mol gives 4-Chlorofuran-2-carbonitrile distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
4-Chlorofuran-2-carbonitrile (CAS 1399657-96-5), molecular formula C5H2ClNO and molecular weight 127.53 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to an amide group, a hydroxyl group, an ether linkage, chlorine substitution, 4-Chlorofuran-2-carbonitrile is typically off-white to pale yellow liquid. Its solid-state physicochemical attributes — including a molecular weight of 127.53 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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), 4-Chlorofuran-2-carbonitrile 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 | C5H2ClNO |
| Molecular Weight | 127.53 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Chlorofuran Standards
- 5-Chlorofuran-2-carbonitrile (CAS 57240-59-2)
- 3-Chlorofuran-2-carbaldehyde (CAS 101724-23-6)
- (5-Chlorofuran-2-yl)methanamine (CAS 214759-18-9)
- (4-Chlorofuran-2-yl)methanol (CAS 1399652-62-0)
- 5-Chlorofuran-2-methanol (CAS 27230-59-7)
- 4-chlorofuran-2-carbaldehyde (CAS 57500-47-7)
- 5-Chlorofuran-2-amine (CAS 13725-43-4)
- 2-(5-Chlorofuran-2-yl)acetonitrile (CAS 1936457-37-2)
Recommended Standards
- 4-Chloro-1H-imidazole-5-carbonitrile (CAS 1333380-68-9)
- 4-Chloro-1H-pyrazole-3-carbonitrile (CAS 33064-35-6)
- 3-(Trimethylsilyl)prop-2-yn-1-amine (CAS 70052-55-0)
- 4-Chloro-1H-pyrazole-5-carbonitrile (CAS 36650-75-6)
- 2-Chloro-6,7-dimethyl-3,7-dihydro-4H-pyrrolo[2,3-d]pyrimidin-4-one (CAS 1638763-81-1)
- (3-Bromophenyl)(3-(thiomorpholinomethyl)phenyl)methanone (CAS 898763-00-3)
- N-hydroxypyrrolidine-2-carboxamide hydrochloride (CAS 1803560-74-8)
- Ethylcarbamic Acid 4-Nitrophenyl Ester (CAS 17576-41-9)
- 3-Chloro-2-ethylbenzenesulfonyl chloride (CAS 2385001-65-8)
- 1-(Benzyloxy)-3,5-dimethylbenzene (CAS 83619-85-6)
- methyl trans-4-methylsulfonyloxycyclohexanecarboxylate (CAS 2787521-93-9)
- Methyl 3-oxo-2,3-dihydrobenzofuran-7-carboxylate (CAS 1337851-11-2)
- N-Nitroso Moxonidine (CAS CATO-C4X-27816)
- Biotinyl-Pancreatic Polypeptide (human) trifluoroacetate salt (CAS 1816258-36-2)
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