5-Chloro-6-(methylthio)nicotinaldehyde CAS 1288998-46-8
| CAS No. | 1288998-46-8 |
| Molecular Formula | C7H6ClNOS |
| Molecular Weight | 187.65 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 5-Chloro-6-(methylthio)nicotinaldehyde (C7H6ClNOS) contains an amide group, 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 187.65 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO supplies 5-Chloro-6-(methylthio)nicotinaldehyde (CAS 1288998-46-8), a certified reference material (molecular formula C7H6ClNOS, MW 187.65 g/mol) for analytical method development and quality control.
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), 5-Chloro-6-(methylthio)nicotinaldehyde 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 | C7H6ClNOS |
| Molecular Weight | 187.65 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 |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Chloro Standards
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- 2-Chloro-6-hydroxybenzothioamide (CAS 1248656-54-3)
- 2-chloro-4,5,6,7-tetrahydro-1,3-benzothiazol-6-one (CAS 159015-39-1)
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Recommended Standards
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- 4-Cyclopropyl-1,3-thiazole-2-carbonyl chloride (CAS 1180496-28-9)
- 2-(4-chlorophenyl)pentanoic acid (CAS 42222-72-0)
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- (S)-2-Amino-2-(3-oxo-2,3-dihydroisoxazol-5-yl)acetic acid (CAS 25690-45-3)
- 1,1-Dimethylethyl N-[1-(1-oxopropyl)-4-piperidinyl]carbamate (CAS 1152430-27-7)
- 4-(Piperidin-1-yl)benzothioamide (CAS 779310-82-6)
- 1-(5-(1,3-Dioxolan-2-yl)thiophen-2-yl)-4-methylpentan-1-one (CAS 898772-94-6)
- 1-(4-chlorophenyl)-3,3,3-trifluoropropan-1-amine (CAS 1016531-10-4)
- 2-(3-Fluorophenyl)-1-methylpyrrolidine (CAS 77972-92-0)
- Naltrexone impurity 39 (CAS CATO-C4X-147539)
- Tirzepatide Impurity 18 (CAS CATO-C4X-324018)
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