131506-18-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 131506-18-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,5,0 and 6 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 131506-18:
(8*1)+(7*3)+(6*1)+(5*5)+(4*0)+(3*6)+(2*1)+(1*8)=88
88 % 10 = 8
So 131506-18-8 is a valid CAS Registry Number.