263859-12-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 263859-12-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,6,3,8,5 and 9 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 263859-12:
(8*2)+(7*6)+(6*3)+(5*8)+(4*5)+(3*9)+(2*1)+(1*2)=167
167 % 10 = 7
So 263859-12-7 is a valid CAS Registry Number.