97975-31-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 97975-31-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,9,7 and 5 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 97975-31:
(7*9)+(6*7)+(5*9)+(4*7)+(3*5)+(2*3)+(1*1)=200
200 % 10 = 0
So 97975-31-0 is a valid CAS Registry Number.
InChI:InChI=1/C22H22N2O7/c25-19(24-17-9-5-4-8-15(17)12-18(24)21(28)29)11-10-16(20(26)27)23-22(30)31-13-14-6-2-1-3-7-14/h1-9,16,18H,10-13H2,(H,23,30)(H,26,27)(H,28,29)/t16-,18+/m1/s1