692737-21-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 692737-21-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,9,2,7,3 and 7 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 692737-21:
(8*6)+(7*9)+(6*2)+(5*7)+(4*3)+(3*7)+(2*2)+(1*1)=196
196 % 10 = 6
So 692737-21-6 is a valid CAS Registry Number.