131759-78-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 131759-78-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,7,5 and 9 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 131759-78:
(8*1)+(7*3)+(6*1)+(5*7)+(4*5)+(3*9)+(2*7)+(1*8)=139
139 % 10 = 9
So 131759-78-9 is a valid CAS Registry Number.