129780-48-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 129780-48-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,7,8 and 0 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 129780-48:
(8*1)+(7*2)+(6*9)+(5*7)+(4*8)+(3*0)+(2*4)+(1*8)=159
159 % 10 = 9
So 129780-48-9 is a valid CAS Registry Number.