3,4-Diaminothieno[2,3-b]thiophene-2,5-dicarbonitrile CAS 3954-26-5

Purity 97%+In StockPharmaceutical Standards
CAS No.3954-26-5
Molecular FormulaC8H4N4S2
Molecular Weight220.27 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3,4-Diaminothieno[2,3-b]thiophene-2,5-dicarbonitrile CAS 3954-26-5 chemical structure

Description

3,4-Diaminothieno[2,3-b]thiophene-2,5-dicarbonitrile (CAS 3954-26-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C8H4N4S2. Molecular weight: 220.27 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC8H4N4S2
Molecular Weight220.27 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)9.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1958
Nitrogen Atoms4
Sulfur Atoms2

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