3-Chloro-4-methylsulfanyl-benzaldehyde CAS 38125-81-4
| CAS No. | 38125-81-4 |
| Molecular Formula | C8H7ClOS |
| Molecular Weight | 186.66 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 3-Chloro-4-methylsulfanyl-benzaldehyde (C8H7ClOS) contains sulfur-containing functionality, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 186.66 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
3-Chloro-4-methylsulfanyl-benzaldehyde (CAS 38125-81-4), molecular formula C8H7ClOS and molecular weight 186.66 g/mol, is a CATO reference standard with documented purity and traceability.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 3-Chloro-4-methylsulfanyl-benzaldehyde 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 | C8H7ClOS |
| Molecular Weight | 186.66 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| 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.) | 1967 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Chloro Standards
- 4-Chloro-5-methyl-5,7-dihydrothieno[3,4-d]pyrimidine (CAS 1001123-70-1)
- 3-Chloro-2-(methylsulfanyl)benzaldehyde (CAS 1033574-03-6)
- (4-Chloro-phenylsulfanyl)-acetaldehyde (CAS 105126-88-3)
- 4-Chloro-7,8-dihydro-6H-thiopyrano[3,2-d]pyrimidine (CAS 111896-68-5)
- 4-Chloro-5-methylpyridine-2-carbothioamide (CAS 1257211-15-6)
- 7-Chloro-2,3-dihydro-1H-pyrido[2,3-b][1,4]thiazine (CAS 1259513-96-6)
- 3-Chloro-5-(methylthio)benzaldehyde (CAS 1289164-92-6)
- 4-Chloro-3-(methylthio)benzaldehyde (CAS 1289208-98-5)
Recommended Standards
- 2-Methoxy-2-methylpropane-1-sulfonyl chloride (CAS 338452-93-0)
- 5-Chloro-2-(methylthio)benzaldehyde (CAS 91827-45-1)
- 2-Chloro-6-methyl-1,4-dihydrothieno[3,2-d]pyrimidine (CAS 76872-68-9)
- N-(3-Chlorophenyl)thiourea (CAS 4947-89-1)
- n-(2-(Pyrrolidin-3-yl)ethyl)acetamide (CAS 1411305-44-6)
- n1-(1-Methylcyclopentyl)benzene-1,2-diamine (CAS 1250505-35-1)
- Ac-Phe(4-CN)-OH (CAS 193270-06-3)
- (2-Methylimidazo[2,1-b]thiazol-6-yl)methanamine (CAS 518064-25-0)
- Ethanol, 2-(3,3-dimethylcyclohexylidene)-, (2E)- (CAS 30346-27-1)
- 3,5-Dibromo-2-fluorophenylacetic acid (CAS 497959-28-1)
- 1-(2-Methoxyethyl)-1-methylpyrrolidinium Bis(fluorosulfonyl)imide (CAS 1235234-47-5)
- 6-Iodo-3-nitropyridin-2-amine (CAS 351447-13-7)
- Carbamic acid, [2-[(6-hydroxyhexyl)amino]-2-oxoethyl]-, phenylmethyl ester (9CI) (CAS 75937-30-3)
- Tirzepatide Impurity 12 (CAS CATO-C4X-324012)
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