692768-21-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 692768-21-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,9,2,7,6 and 8 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 692768-21:
(8*6)+(7*9)+(6*2)+(5*7)+(4*6)+(3*8)+(2*2)+(1*1)=211
211 % 10 = 1
So 692768-21-1 is a valid CAS Registry Number.