299915-64-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 299915-64-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,9,9,9,1 and 5 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 299915-64:
(8*2)+(7*9)+(6*9)+(5*9)+(4*1)+(3*5)+(2*6)+(1*4)=213
213 % 10 = 3
So 299915-64-3 is a valid CAS Registry Number.