694508-45-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 694508-45-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,9,4,5,0 and 8 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 694508-45:
(8*6)+(7*9)+(6*4)+(5*5)+(4*0)+(3*8)+(2*4)+(1*5)=197
197 % 10 = 7
So 694508-45-7 is a valid CAS Registry Number.