Thieno[3,2-b]thiophen-3-ylmethanol CAS 1628918-78-4
| CAS No. | 1628918-78-4 |
| Molecular Formula | C7H6OS2 |
| Molecular Weight | 170.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Thieno[3,2-b]thiophen-3-ylmethanol (CAS 1628918-78-4) is a high-purity analytical reference standard with the molecular formula C7H6OS2 and a molecular weight of 170.25 g/mol.
Owing to sulfur-containing functionality, a hydroxyl group, an ether linkage, an aromatic ring system, Thieno[3,2-b]thiophen-3-ylmethanol is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 170.25 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
Physical & Chemical Properties
| Molecular Formula | C7H6OS2 |
| Molecular Weight | 170.25 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| 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.) | 1993 |
| Sulfur Atoms | 2 |
Related Thieno Standards
- {thieno[3,2-b]thiophen-2-yl}methanol (CAS 127025-34-7)
- 1H-Thieno[2,3-d]pyrimidine-2,4-dione (CAS 18740-38-0)
- thieno[3,2-b]thiophen-2-ylmethanamine (CAS 874881-30-8)
- thieno[2,3-c]pyridine-2-carbaldehyde (CAS 203922-18-3)
- thieno[3,2-c]pyridine-2-carbaldehyde (CAS 94226-19-4)
- 2H-Thieno[2,3-d][1,3]oxazine-2,4(1H)-dione (CAS 103979-54-0)
- 1H-Thieno[2,3-d][1,2,3]triazole-5-carboxylic acid (CAS 107166-05-2)
- thieno[3,2-b]pyridine-6-carbonitrile (CAS 116538-95-5)
Recommended Standards
- 3-(Azepan-1-yl)propanamide (CAS 1622-92-0)
- {3-methyl-1H-pyrrolo[2,3-b]pyridin-5-yl}methanol (CAS 1630906-52-3)
- (4S)-2-(3,3-dimethyloxiran-2-yl)-4-methyloxane (CAS 1604729-40-9)
- 6-aminoquinolin-5-ol (CAS 163672-81-9)
- Pomalidomide Related Compound 4 Triflate (CAS 1799711-25-3)
- (5-(5-((4-Chlorophenoxy)methyl)-1,3,4-oxadiazol-2-yl)-1-methyl-1H-pyrrol-3-yl)(2,4-dichlorophenyl)methanone (CAS 338418-87-4)
- (S)-4,4,4-Trifluoro-3-phenylbutanoic acid (CAS 2245028-84-4)
- 2-Chloro-N-[4-chloro-3-(morpholine-4-sulfonyl)phenyl]acetamide (CAS 379254-82-7)
- Methyl 2-(Ethylsulfonyl)acetate (CAS 42271-27-2)
- Carbamic acid, N-[1-[[(2-methoxy-1-methylethyl)amino]carbonyl]-2-methylbutyl]-, phenylmethyl ester (CAS 1323010-51-0)
- N-(4-(Dimethylamino)phenyl)-3-ethoxy-1-ethyl-1H-pyrazole-4-carboxamide (CAS 1014028-61-5)
- 5-Oxobicyclo[2.2.1]heptane-2,3-dicarboxylic acid, cis (CAS 90582-32-4)
- 4-(2,6-Dichlorobenzoyl)phenyl acetate (CAS 890100-11-5)
- Peptide Impurity 15 (CAS 1227750-69-7)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com