130206-49-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 130206-49-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,0,2,0 and 6 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 130206-49:
(8*1)+(7*3)+(6*0)+(5*2)+(4*0)+(3*6)+(2*4)+(1*9)=74
74 % 10 = 4
So 130206-49-4 is a valid CAS Registry Number.