623916-60-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 623916-60-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,2,3,9,1 and 6 respectively; the second part has 2 digits, 6 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 623916-60:
(8*6)+(7*2)+(6*3)+(5*9)+(4*1)+(3*6)+(2*6)+(1*0)=159
159 % 10 = 9
So 623916-60-9 is a valid CAS Registry Number.