153566-55-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 153566-55-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,3,5,6 and 6 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 153566-55:
(8*1)+(7*5)+(6*3)+(5*5)+(4*6)+(3*6)+(2*5)+(1*5)=143
143 % 10 = 3
So 153566-55-3 is a valid CAS Registry Number.