7-methylthieno[3,2-d]pyrimidine CAS 871013-26-2
| CAS No. | 871013-26-2 |
| Molecular Formula | C7H6N2S |
| Molecular Weight | 150.20 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.
7-methylthieno[3,2-d]pyrimidine (CAS 871013-26-2) is a high-purity analytical reference standard with the molecular formula C7H6N2S and a molecular weight of 150.20 g/mol.
7-methylthieno[3,2-d]pyrimidine (C7H6N2S) contains a nitrile group, sulfur-containing functionality, an aromatic ring system. Its physicochemical properties are representative of its class; 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).
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 | C7H6N2S |
| Molecular Weight | 150.20 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related methylthieno Standards
- 6-Methylthieno[2,3-d]pyrimidine (CAS 106691-22-9)
- 5-Methylthieno[2,3-d]pyrimidine (CAS 19673-87-1)
- 2-Methylthieno[2,3-d]pyrimidine (CAS 56844-01-0)
- 4-Methylthieno[3,4-b]pyridine (CAS 109510-31-8)
- 7-Methylthieno[3,2-b]pyridine (CAS 13362-83-9)
- 5-Methylthieno[3,2-b]pyridine (CAS 1759-29-1)
- 2-Methylthieno[3,2-b]thiophene (CAS 13393-75-4)
- 3-Methylthieno[2,3-b]thiophene (CAS 1723-34-8)
Recommended Standards
- 7-Methylbenzo[d][1,2,3]thiadiazole (CAS 78805-01-3)
- Acibenzolar Acid Impurity 29 (CAS 53034-68-7)
- 7H-Thiopyrano[2,3-d]pyrimidine (CAS 874-28-2)
- Benzo[b]thiophen-2(3H)-one (CAS 496-31-1)
- (S)-4-Hydroxy-5-methyl-1H-pyrrol-2(5H)-one (CAS 960237-50-7)
- [(2s)-2-piperidyl]methanol;hydrochloride (CAS 459834-03-8)
- 2-Amino-4-(2-chlorophenyl)-6-isobutylnicotinonitrile (CAS 337474-61-0)
- Methyl (s)-3-(3-fluorophenyl)-3-hydroxypropanoate (CAS 1454691-23-6)
- (3S,4R)-Methyl 4-(2-fluorophenyl)pyrrolidine-3-carboxylate (CAS 1381948-00-0)
- (2E)-1-(3-Chlorophenyl)-3-(2,5-dimethoxyphenyl)prop-2-en-1-one (CAS 1354941-49-3)
- N-(2,3-Dihydro-1,4-benzodioxin-6-yl)-2-[4-(4-fluorophenyl)piperazin-1-yl]acetamide (CAS 329779-45-5)
- Avanafil Impurity 88 (CAS 2250243-52-6)
- 4-((3-Methylbutan-2-yl)amino)benzonitrile (CAS 1019613-31-0)
- [pGlu] Semaglutide (CAS CATO-C4X-2226288)
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