958669-57-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 958669-57-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,5,8,6,6 and 9 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 958669-57:
(8*9)+(7*5)+(6*8)+(5*6)+(4*6)+(3*9)+(2*5)+(1*7)=253
253 % 10 = 3
So 958669-57-3 is a valid CAS Registry Number.