438235-15-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 438235-15-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,3,8,2,3 and 5 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 438235-15:
(8*4)+(7*3)+(6*8)+(5*2)+(4*3)+(3*5)+(2*1)+(1*5)=145
145 % 10 = 5
So 438235-15-5 is a valid CAS Registry Number.