693287-85-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 693287-85-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,9,3,2,8 and 7 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 693287-85:
(8*6)+(7*9)+(6*3)+(5*2)+(4*8)+(3*7)+(2*8)+(1*5)=213
213 % 10 = 3
So 693287-85-3 is a valid CAS Registry Number.