59956-55-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 59956-55-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,9,9,5 and 6 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 59956-55:
(7*5)+(6*9)+(5*9)+(4*5)+(3*6)+(2*5)+(1*5)=187
187 % 10 = 7
So 59956-55-7 is a valid CAS Registry Number.