80554-91-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 80554-91-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,5,5 and 4 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 80554-91:
(7*8)+(6*0)+(5*5)+(4*5)+(3*4)+(2*9)+(1*1)=132
132 % 10 = 2
So 80554-91-2 is a valid CAS Registry Number.
80554-91-2Relevant articles and documents
ONE-POT PHOTOCHEMICAL SYNTHESIS OF NAPHTHOQUINOLINE-7,12-DIONE DERIVATIVES - A NEW ROUTE TO AZA-ANALOGUE OF BENZANTHRACENE-7,12-DIONES
Maruyama, Kazuhiro,Tai, Seiji,Otsuki, Tetsuo
, p. 1565 - 1566 (2007/10/02)
Substituted naphthoquinoline-7,12-diones were synthesized regioselectively by one-pot photochemical reaction of 7-bromo-6-methoxyquinoline-5,8-dione with 1,1-diarylethylenes
