745761-69-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 745761-69-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,4,5,7,6 and 1 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 745761-69:
(8*7)+(7*4)+(6*5)+(5*7)+(4*6)+(3*1)+(2*6)+(1*9)=197
197 % 10 = 7
So 745761-69-7 is a valid CAS Registry Number.