69918-15-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 69918-15-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,9,9,1 and 8 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 69918-15:
(7*6)+(6*9)+(5*9)+(4*1)+(3*8)+(2*1)+(1*5)=176
176 % 10 = 6
So 69918-15-6 is a valid CAS Registry Number.