38956-52-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 38956-52-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,8,9,5 and 6 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 38956-52:
(7*3)+(6*8)+(5*9)+(4*5)+(3*6)+(2*5)+(1*2)=164
164 % 10 = 4
So 38956-52-4 is a valid CAS Registry Number.