97659-34-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 97659-34-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,6,5 and 9 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 97659-34:
(7*9)+(6*7)+(5*6)+(4*5)+(3*9)+(2*3)+(1*4)=192
192 % 10 = 2
So 97659-34-2 is a valid CAS Registry Number.
InChI:InChI=1/C18H16N2O5S.Ca/c1-2-25-13-8-9-15(17(11-13)26(22,23)24)19-20-18-14-6-4-3-5-12(14)7-10-16(18)21;/h3-11,19H,2H2,1H3,(H,22,23,24);/q;+2/p-1/b20-18-;