861524-18-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 861524-18-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,1,5,2 and 4 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 861524-18:
(8*8)+(7*6)+(6*1)+(5*5)+(4*2)+(3*4)+(2*1)+(1*8)=167
167 % 10 = 7
So 861524-18-7 is a valid CAS Registry Number.