238765-05-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 238765-05-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,3,8,7,6 and 5 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 238765-05:
(8*2)+(7*3)+(6*8)+(5*7)+(4*6)+(3*5)+(2*0)+(1*5)=164
164 % 10 = 4
So 238765-05-4 is a valid CAS Registry Number.