methyl 5-(chloromethyl)thiophene-3-carboxylate CAS 34767-77-6
| CAS No. | 34767-77-6 |
| Molecular Formula | C7H7ClO2S |
| Molecular Weight | 190.65 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), methyl 5-(chloromethyl)thiophene-3-carboxylate 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.
methyl 5-(chloromethyl)thiophene-3-carboxylate (CAS 34767-77-6) is a high-purity analytical reference standard with the molecular formula C7H7ClO2S and a molecular weight of 190.65 g/mol.
methyl 5-(chloromethyl)thiophene-3-carboxylate (C7H7ClO2S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system. Halogen substitution raises its density and boiling point, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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.
Physical & Chemical Properties
| Molecular Formula | C7H7ClO2S |
| Molecular Weight | 190.65 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1966 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related methyl Standards
- N-(5-(Chloromethyl)thiazol-2-yl)acetamide (CAS 1092696-77-9)
- ((Chloromethyl)sulfonyl)benzene (CAS 7205-98-3)
- Methyl 3-(chloromethyl)thiophene-2-carboxylate (CAS 478628-20-5)
- Methyl 4-(chloromethyl)thiophene-2-carboxylate (CAS 34767-85-6)
- Methyl 5-(chloromethyl)thiophene-2-carboxylate (CAS 34776-79-9)
- (S)-2-(chloromethyl)-1,4-dioxaspiro[4.5]Decane (CAS 1098589-87-7)
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- Methyl 2-(chloromethyl)cyclohexane-1-carboxylate (CAS 1824322-83-9)
Recommended Standards
- N-(5-Chloro-4-methylthiazol-2-yl)acetamide (CAS 21478-92-2)
- Methyl 4-chlorobenzenesulfinate (CAS 26760-21-4)
- N-(Chloroacetyl)2-amino-4-methylthiazol (CAS 50772-53-7)
- Methyl 4-chloro-3-methylthiophene-2-carboxylate (CAS 683787-70-4)
- 8-Fluoro-4,4-dimethyl-1H-benzo[d][1,3]oxazin-2(4H)-one (CAS 304854-40-8)
- (R,E)-2-(benzo[d][1,3]dioxol-5-ylmethyleneamino)-2-phenylethanol (CAS 179930-11-1)
- 1-Benzyl-4-(naphthalene-2-sulfonyl)piperazine (CAS 324067-22-3)
- 2-(Aminomethyl)-4-(cyclohexylmethyl)phenol (CAS 1243363-81-6)
- 2-(6-Fluoropyridin-3-yl)-6-(trifluoromethyl)-1H-benzo[d]imidazole (CAS 1356385-98-2)
- Methyl 5-acetyl-2-chlorobenzoate (CAS 792911-92-3)
- (S)-2-Amino-3-(4-(4-(1-(tert-butoxycarbonyl)piperidin-4-yl)butoxy)phenyl)propanoic acid (CAS 142356-28-3)
- Poly(D-lactide) (CAS 106989-11-1)
- 7-Phenyl-2,5-dioxa-8-azaspiro[3.4]Octane (CAS 1556097-31-4)
- Peptide Impurity 34 (CAS 21282-09-7)
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