691383-27-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 691383-27-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,9,1,3,8 and 3 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 691383-27:
(8*6)+(7*9)+(6*1)+(5*3)+(4*8)+(3*3)+(2*2)+(1*7)=184
184 % 10 = 4
So 691383-27-4 is a valid CAS Registry Number.