691867-94-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 691867-94-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,9,1,8,6 and 7 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 691867-94:
(8*6)+(7*9)+(6*1)+(5*8)+(4*6)+(3*7)+(2*9)+(1*4)=224
224 % 10 = 4
So 691867-94-4 is a valid CAS Registry Number.