958640-85-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 958640-85-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,5,8,6,4 and 0 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 958640-85:
(8*9)+(7*5)+(6*8)+(5*6)+(4*4)+(3*0)+(2*8)+(1*5)=222
222 % 10 = 2
So 958640-85-2 is a valid CAS Registry Number.