861597-37-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 861597-37-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,1,5,9 and 7 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 861597-37:
(8*8)+(7*6)+(6*1)+(5*5)+(4*9)+(3*7)+(2*3)+(1*7)=207
207 % 10 = 7
So 861597-37-7 is a valid CAS Registry Number.