1,2-Dichloro-4-cyclopropylbenzene CAS 1135251-50-1
| CAS No. | 1135251-50-1 |
| Molecular Formula | C9H8Cl2 |
| Molecular Weight | 187.07 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 1,2-Dichloro-4-cyclopropylbenzene.
1,2-Dichloro-4-cyclopropylbenzene (CAS 1135251-50-1) is a high-purity analytical reference standard with the molecular formula C9H8Cl2 and a molecular weight of 187.07 g/mol.
Based on its molecular formula C9H8Cl2, 1,2-Dichloro-4-cyclopropylbenzene contains chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 187.07 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), 1,2-Dichloro-4-cyclopropylbenzene 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 | C9H8Cl2 |
| Molecular Weight | 187.07 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Halogen Content | Cl-containing |
Related Dichloro Standards
- 1,4-dichloro-2,3-dihydro-1H-indene (CAS 1082562-97-7)
- Dichloro-1,2-dithiacyclopentenone (CAS 1192-52-5)
- 1,3-Dichloro-2-cyclopropylbenzene (CAS 1227417-84-6)
- 1,4-Dichloro-2-(prop-1-en-2-yl)benzene (CAS 53628-89-0)
- 2,2-Dichloro-1,1-diethoxyethane 619-33-0 D0354 Dichloroacetal Dichloroacetaldehyde Diethyl Acetal (CAS 619-33-0)
- 4,7-Dichloro-1H-indazole (CAS 1000341-86-5)
- 5,7-Dichloro-1H-pyrrolo[2,3-c]pyridine, 97% (CAS 1001412-41-4)
- 2,5-Dichloro-4-methylpyridine-3-carbonitrile (CAS 101320-87-0)
Recommended Standards
- 1,3-benzothiazol-5-ylboronic acid (CAS 1107627-20-2)
- 4,4,5,5,5-pentafluoro-3-oxopentanenitrile (CAS 110234-69-0)
- 1-Allyl-2,4-dichlorobenzene (CAS 135439-18-8)
- (E)-1-chloro-4-(3-chloroprop-1-en-1-yl)benzene (CAS 103979-29-9)
- 4-Benzylmorpholine-2-carbonitrile (CAS 126645-52-1)
- Methyl 2-sulfamoylacetate (CAS 863641-00-3)
- N-[(4-Methoxyphenyl)methyl]-4-nitro-N-(propan-2-yl)benzene-1-sulfonamide (CAS 1881332-53-1)
- 4-(Difluoromethoxy)fluorobenzene (CAS 34888-09-0)
- tert-Butyl 6-chloro-3-fluoropicolinate (CAS 1616378-54-1)
- 4-(Benzylthio)pentan-2-one (CAS 1341111-01-0)
- 2-Chloro-N-(3-cyano-1-((tetrahydrofuran-2-yl)methyl)-4,5,6,7-tetrahydro-1H-indol-2-yl)acetamide (CAS 1087784-66-4)
- (S)-2-Amino-3-(4-propoxyphenyl)propanoic acid hydrochloride (CAS 34620-58-1)
- Pyrido[2,3-d]pyrimidine-4-carboxylic acid (CAS 2168847-74-1)
- Biotinyl-Pancreatic Polypeptide (human) trifluoroacetate salt (CAS 1816258-36-2)
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