23857-03-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 23857-03-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,8,5 and 7 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 23857-03:
(7*2)+(6*3)+(5*8)+(4*5)+(3*7)+(2*0)+(1*3)=116
116 % 10 = 6
So 23857-03-6 is a valid CAS Registry Number.