93403-99-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 93403-99-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,3,4,0 and 3 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 93403-99:
(7*9)+(6*3)+(5*4)+(4*0)+(3*3)+(2*9)+(1*9)=137
137 % 10 = 7
So 93403-99-7 is a valid CAS Registry Number.
93403-99-7Relevant articles and documents
Photoinduced Electron-Transfer-Initiated Aromatic Cyclization
Maruyama, Kazuhiro,Otsuki, Tetsuo,Tai, Seiji
, p. 52 - 60 (2007/10/02)
Photochemical reaction of substituted 1,4-naphthoquinones with 1,1-diarylethylenes led primarily to benzanthracene-7,12-dione derivatives.Evidence was obtained that the photoreaction proceeded via a photoinduced electron-transfer process.Extension of t
