4-hydroxy-3-(2'-hydroxy[1,1'-biphenyl]-4-yl)-6-oxo-6,7-dihydrothieno[2,3-b]pyridine-5-carbonitrile

4-羟基-3-(2'-羟基-1,1'-联苯-4-基)-6-氧代-6,7-二氢噻吩并[2,3-b]吡啶-5-甲腈

Also known as: A-769662, A 769662, 4-hydroxy-3-(2'-hydroxybiphenyl-4-yl)-6-oxo-6,7-dihydrothieno[2,3-b]pyridine-5-carbonitrile, 4-hydroxy-3-[4-(2-hydroxyphenyl)phenyl]-6-oxo-7H-thieno[2,3-b]pyridine-5-carbonitrile, 6,7-dihydro-4-hydroxy-3-(2'-hydroxy[1,1'-biphenyl]-4-yl)-6-oxo-thieno[2,3-b]pyridine-5-carbonitrile, CS-18

4-hydroxy-3-(2'-hydroxy[1,1'-biphenyl]-4-yl)-6-oxo-6,7-dihydrothieno[2,3-b]pyridine-5-carbonitrile (CAS 844499-71-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C20H12N2O3S and a molecular weight of 360.386 g/mol. It is also known as A-769662, A 769662 and 4-hydroxy-3-(2'-hydroxybiphenyl-4-yl)-6-oxo-6,7-dihydrothieno[2,3-b]pyridine-5-carbonitrile. Key properties include a melting point of 268.39° C, a boiling point of 630.1±55.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 334.9±31.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

844499-71-4

Jingsj CID

J-1958274-6

Molecular Formula

C₂₀H₁₂N₂O₃S

Chinese Name

4-羟基-3-(2'-羟基-1,1'-联苯-4-基)-6-氧代-6,7-二氢噻吩并[2,3-b]吡啶-5-甲腈

Molecular Weight

360.386 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026