97984-17-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 97984-17-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,9,8 and 4 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 97984-17:
(7*9)+(6*7)+(5*9)+(4*8)+(3*4)+(2*1)+(1*7)=203
203 % 10 = 3
So 97984-17-3 is a valid CAS Registry Number.
97984-17-3Relevant articles and documents
1,4-BENZODITHIIN 1,1,4,4,-TETRAOXIDE AS DIENOPHILE
Nakayama, Juzo,Nakamura, Yoichi,Hoshino, Masamatsu
, p. 1119 - 1122 (2007/10/02)
1,4-Benzodithiin 1,1,4,4,-tetraoxide undergoes the Diels-Alder reaction with a series of dienes under mild condition to provide the corresponding adducts in excellent yields.The adduct with anthracene is desulfonated to afford dibenzobarrelene, thus showi