153804-81-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 153804-81-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,3,8,0 and 4 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 153804-81:
(8*1)+(7*5)+(6*3)+(5*8)+(4*0)+(3*4)+(2*8)+(1*1)=130
130 % 10 = 0
So 153804-81-0 is a valid CAS Registry Number.