2-(Dihydro-2H-thiopyran-4(3H)-ylidene)malononitrile CAS 62702-80-1
| CAS No. | 62702-80-1 |
| Molecular Formula | C8H8N2S |
| Molecular Weight | 164.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 2-(Dihydro-2H-thiopyran-4(3H)-ylidene)malononitrile.
CATO supplies 2-(Dihydro-2H-thiopyran-4(3H)-ylidene)malononitrile (CAS 62702-80-1), a certified reference material (molecular formula C8H8N2S, MW 164.23 g/mol) for analytical method development and quality control.
2-(Dihydro-2H-thiopyran-4(3H)-ylidene)malononitrile (C8H8N2S) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 2-(Dihydro-2H-thiopyran-4(3H)-ylidene)malononitrile 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 | C8H8N2S |
| Molecular Weight | 164.23 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.) | 1974 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Dihydro Standards
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Recommended Standards
- 2-(2-isothiocyanatoethyl)pyridine (CAS 36810-91-0)
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- 2-Amino-4-cyclopropylthiophene-3-carbonitrile (CAS 58124-28-0)
- (4S,4′S)-2,2′-(1-Methylethylidene)bis[4,5-dihydro-4-methyl-4-phenyloxazole] (CAS 869304-96-1)
- 3-Hydroxy-2,5-dimethylbenzaldehyde (CAS 85430-30-4)
- 6-(3,4-Dimethoxyphenyl)pyridazin-3-ol (CAS 55901-95-6)
- 2,3-dimethyl-1,3-butadiene-d<SUB>10</SUB> (CAS 151832-72-3)
- 2-Cyclopropyl-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazine (CAS 1412905-41-9)
- Ammonium 1-Pyrrolidinecarbodithioate (CAS 5108-96-3)
- 4-{[4-(Benzyloxy)phenyl]methoxy}benzaldehyde (CAS 88015-49-0)
- {2-[(4-methylpiperazin-1-yl)sulfonyl]phenyl}methanamine (CAS 918865-21-1)
- 3-Oxo-2-thiophen-2-ylmethyl-2,3-dihydro-1H-isoindole-4-carboxylic acid (CAS 876721-69-6)
- Lixisenatide (CAS 320367-13-3)
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