692778-51-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 692778-51-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,9,2,7,7 and 8 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 692778-51:
(8*6)+(7*9)+(6*2)+(5*7)+(4*7)+(3*8)+(2*5)+(1*1)=221
221 % 10 = 1
So 692778-51-1 is a valid CAS Registry Number.