616-21-7 45N8M9T967 1,2-Dichlorobutane Butane, 1,2-dichloro- EINECS 210-469-5 HSDB 5717 NSC 93880 UNII-45N8M9T967 CAS 616-21-7
| CAS No. | 616-21-7 |
| Molecular Formula | C4H8Cl2 |
| Molecular Weight | 127.01 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 127.01 g/mol gives 616-21-7 45N8M9T967 1,2-Dichlorobutane Butane, 1,2-dichloro- EINECS 210-469-5 HSDB 5717 NSC 93880 UNII-45N8M9T967 distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
616-21-7 45N8M9T967 1,2-Dichlorobutane Butane, 1,2-dichloro- EINECS 210-469-5 HSDB 5717 NSC 93880 UNII-45N8M9T967 (CAS 616-21-7), molecular formula C4H8Cl2 and molecular weight 127.01 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C4H8Cl2, 616-21-7 45N8M9T967 1,2-Dichlorobutane Butane, 1,2-dichloro- EINECS 210-469-5 HSDB 5717 NSC 93880 UNII-45N8M9T967 contains chlorine substitution; these features give the compound characteristic molecular-ion distribution patterns in mass spectrometry. The molecular weight of 127.01 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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), 616-21-7 45N8M9T967 1,2-Dichlorobutane Butane, 1,2-dichloro- EINECS 210-469-5 HSDB 5717 NSC 93880 UNII-45N8M9T967 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 | C4H8Cl2 |
| Molecular Weight | 127.01 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, 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.) | 1957 |
| Halogen Content | Cl-containing |
Recommended Standards
- 2,3-dichlorobutane (CAS 7581-97-7)
- 1,2-Dichloro-2-methylpropane (CAS 594-37-6)
- 1,1-Dichlorobutane (CAS 541-33-3)
- Cefepime Impurity 29 (CAS 110-56-5)
- 4-Ethynylisoquinolin-3-amine (CAS 503089-89-2)
- 1-(4-((Benzyl(ethyl)amino)methyl)piperidin-1-yl)-2-chloroethanone (CAS 1353954-80-9)
- 2-(2-Carbamimidamido-4-phenyl-1,3-thiazol-5-yl)acetic acid (CAS 860785-73-5)
- 3-Bromo-5-cyclopropoxybenzamide (CAS 1243381-73-8)
- 3-(2-Fluorophenyl)oxolane-3-carbonitrile (CAS 1378705-55-5)
- (6-Chloro-2-fluoro-3-methoxyphenyl)methanamine (CAS 1017779-65-5)
- Relugolix Impurity 64 (CAS CATO-C4X-242964)
- (1r,1's,4R,4'R)-4-(3-fluoro-4-(trifluoromethoxy)phenyl)-4'-propyl-1,1'-bi(cyclohexane) (CAS 137810-19-6)
- 3-(4-Bromophenoxy)propyl acetate (CAS 1582770-05-5)
- Cholecystokinin Octapeptide (1-5) (desulfated) (CAS 121880-96-4)
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