438202-58-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 438202-58-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,3,8,2,0 and 2 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 438202-58:
(8*4)+(7*3)+(6*8)+(5*2)+(4*0)+(3*2)+(2*5)+(1*8)=135
135 % 10 = 5
So 438202-58-5 is a valid CAS Registry Number.