863561-69-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 863561-69-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,3,5,6 and 1 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 863561-69:
(8*8)+(7*6)+(6*3)+(5*5)+(4*6)+(3*1)+(2*6)+(1*9)=197
197 % 10 = 7
So 863561-69-7 is a valid CAS Registry Number.