697286-72-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 697286-72-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,9,7,2,8 and 6 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 697286-72:
(8*6)+(7*9)+(6*7)+(5*2)+(4*8)+(3*6)+(2*7)+(1*2)=229
229 % 10 = 9
So 697286-72-9 is a valid CAS Registry Number.