87241-80-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 87241-80-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,2,4 and 1 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 87241-80:
(7*8)+(6*7)+(5*2)+(4*4)+(3*1)+(2*8)+(1*0)=143
143 % 10 = 3
So 87241-80-3 is a valid CAS Registry Number.
87241-80-3Relevant articles and documents
SYNTHESIS OF 6- AND 8-PHENYL-SUBSTITUTED FLAVONOIDS.
Matsumura,Tsuchiya,Takeda,Imafuku
, p. 2037 - 2043 (2007/10/02)
3-Acetylbiphenyl-4-ol and -2-ol were condensed with substituted benzaldehydes to give respectively 5 prime - and 3 prime -phenyl-substituted chalcones which were cyclized to afford 6- and 8-phenylflavanones. The chalcones also gave the corresponding 6- an
