6-methylthieno[2,3-d]pyrimidine-4-thiol CAS 25710-07-0
| CAS No. | 25710-07-0 |
| Molecular Formula | C7H14N2S2 |
| Molecular Weight | 190.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 6-methylthieno[2,3-d]pyrimidine-4-thiol is closely related to a nitrile group, sulfur-containing functionality in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies 6-methylthieno[2,3-d]pyrimidine-4-thiol (CAS 25710-07-0), a certified reference material (molecular formula C7H14N2S2, MW 190.33 g/mol) for analytical method development and quality control.
Structurally, 6-methylthieno[2,3-d]pyrimidine-4-thiol (C7H14N2S2) contains a nitrile group, sulfur-containing functionality. The molecule exhibits a degree of unsaturation (DBE) of 2.0, corresponding to approximately 2 ring(s) or double-bond equivalent(s). With a molecular weight of 190.33 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.
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.
As a certified reference material (CRM), 6-methylthieno[2,3-d]pyrimidine-4-thiol 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 | C7H14N2S2 |
| Molecular Weight | 190.33 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) | 2.0 |
| CAS Registry Year (est.) | 1964 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
Related methylthieno Standards
- 3-Methylthieno[3,2-b]pyridine-7-carboxylic acid (CAS 1637663-10-5)
- 3-Methylthieno[3,2-c]pyridine-4-carboxylic acid (CAS 1780187-03-2)
- 2-Methylthieno[2,3-d]pyrimidine-6-carboxamide (CAS 887569-67-7)
- 2-Methylthieno[3,2-d]pyrimidine-4-carboxylic acid (CAS 1086399-01-0)
- 2-Methylthieno[3,2-d]pyrimidine-6-carboxylic acid (CAS 1367848-24-5)
- 5-Ethyl-6-methylthieno[2,3-d]pyrimidin-4-ol (CAS 439692-89-4)
- 6-Methylthieno[3,2-d]pyrimidine-2,4(1H,3H)-dione (CAS 35265-80-6)
- 7-Methylthieno[3,2-d]pyrimidine-2,4(1H,3H)-dione (CAS 35265-81-7)
Recommended Standards
- 4-(4,5-Dihydro-1,3-thiazol-2-ylsulfanyl)butan-1-amine (CAS 642092-90-8)
- Methyl 4-methylpiperazine-1-carbodithioate (CAS 98428-90-1)
- 2H-thieno[2,3-d][1,3]dithiole-2-thione (CAS 67188-88-9)
- Thieno[3,4-d][1,3]dithiole-2-thione (CAS 80229-39-6)
- 2,3-Dibromo-5-ethoxy-4-propoxybenzaldehyde (CAS 832674-11-0)
- (2E)-1-(2,4-Dimethylphenyl)-3-(3-methylthiophen-2-yl)prop-2-en-1-one (CAS 1354942-36-1)
- D-Glucose-6-phosphate dipotassium salt hydrate (CAS 207727-36-4)
- 6-Acetyl-5-(4-chlorophenyl)-1,3,7-trimethyl-5,8-dihydropyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione (CAS 838845-69-5)
- 8a-Methyl-5-oxo-hexahydro-[1,3]thiazolo[2,3-c]thiomorpholine-3-carboxylic acid (CAS 1214654-03-1)
- 4-Allyl-1-butoxy-2-fluorobenzene (CAS 1443307-11-6)
- 7-(Trifluoromethoxy)indole (CAS 396075-91-5)
- 6-(2-Chloroacetyl)-3-methyl-2,3-dihydro-1,3-benzoxazol-2-one (CAS 54903-62-7)
- 5-bromo-3-iodo-1H-pyrazolo[3,4-c]pyridine (CAS 1357947-08-0)
- Palmitoyl Tripeptide-1 TFA salt (CAS 2803375-47-3)
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