131899-47-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 131899-47-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,8,9 and 9 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 131899-47:
(8*1)+(7*3)+(6*1)+(5*8)+(4*9)+(3*9)+(2*4)+(1*7)=153
153 % 10 = 3
So 131899-47-3 is a valid CAS Registry Number.