Home > Pharmaceutical Standards > 5-Ethynyl-2,3-dimethylthiophene (1057670-09-3)
5-Ethynyl-2,3-dimethylthiophene CAS 1057670-09-3
Purity 97%+ In Stock Pharmaceutical Standards
CAS No. 1057670-09-3
Molecular Formula C8H8S
Molecular Weight 136.21 g/mol
Category Pharmaceutical Standards / API Standards
Availability In Stock
Description 5-Ethynyl-2,3-dimethylthiophene (CAS 1057670-09-3) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C8H8S. Molecular weight: 136.21 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties Molecular Formula C8H8S Molecular Weight 136.21 g/mol Purity 97%+ Storage Store at 2-8°C Solubility (reference) Soluble in methanol, acetonitrile, DMSO Stability Stable under recommended storage conditions Degree of Unsaturation (DBE) 5.0 UV Absorption UV-absorbing Structural Features Aromatic ring present CAS Registry Year (est.) 1988 Sulfur Atoms 1
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