3-Hydroxy-4H-thiochromen-4-one CAS 40683-54-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 40683-54-3 |
| Molecular Formula | C9H6O2S |
| Molecular Weight | 178.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Hydroxy-4H-thiochromen-4-one (CAS 40683-54-3) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C9H6O2S. Molecular weight: 178.21 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C9H6O2S |
| Molecular Weight | 178.21 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1968 |
| Sulfur Atoms | 1 |
Related Hydroxy Standards
- 4-hydroxy-1-benzothiophene-6-carbaldehyde (CAS 1021916-91-5)
- 2-Hydroxy-4H-1-benzothiopyran-4-one (CAS 107514-60-3)
- 2-Hydroxy-4-(2-thienyl)pyrimidine (CAS 1269294-26-9)
- 5-Hydroxy-1-benzothiophene-3-carbaldehyde (CAS 145159-61-1)
- 4-Hydroxy-2H-thiochromen-2-one (CAS 16854-67-4)
- 4-hydroxy-1-benzothiophene-2-carbaldehyde (CAS 1892706-91-0)
- 5-Hydroxy-2-methylpyrimidin-4(1H)-one (CAS 24614-14-0)
- 1-(4-Hydroxy-3,5-dimethylphenyl)propan-2-one (CAS 1017081-88-7)
Recommended Standards
- 3-amino-N-methyl-1,1-dioxo-thietane-3-carboxamide (CAS 2306262-13-3)
- 3-Hydroxybenzo[b]thiophene-2-carbaldehyde (CAS 27751-82-2)
- 3-[(2-methoxy-2-oxoethyl)sulfanyl]propanoic acid (CAS 93274-67-0)
- 3-(4-Methoxyphenyl)-1-(o-tolyl)propan-1-one (CAS 898775-46-7)
- 4-(Hydroxymethyl)benzimidamide (CAS 68382-17-2)
- 8-Bromoimidazo[1,2-a]pyrazine (CAS 69214-34-2)
- Methyl 6,7-dihydro-[1,4]dioxino[2,3-d]pyrimidine-2-carboxylate (CAS 946505-99-3)
- 5,6-Dibromopyrimidin-2(1H)-one (CAS 1023812-18-1)
- Copper, chloro(glycinato-κN,κO)(1,10-phenanthroline-κN1,κN10)-, hydrate (CAS 114557-68-5)
- D-Asp15-Tirzepatide (CAS CATO-CPTD788919)
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