863887-23-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 863887-23-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,3,8,8 and 7 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 863887-23:
(8*8)+(7*6)+(6*3)+(5*8)+(4*8)+(3*7)+(2*2)+(1*3)=224
224 % 10 = 4
So 863887-23-4 is a valid CAS Registry Number.