915304-23-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 915304-23-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,1,5,3,0 and 4 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 915304-23:
(8*9)+(7*1)+(6*5)+(5*3)+(4*0)+(3*4)+(2*2)+(1*3)=143
143 % 10 = 3
So 915304-23-3 is a valid CAS Registry Number.