1239313-35-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1239313-35-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,9,3,1 and 3 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1239313-35:
(9*1)+(8*2)+(7*3)+(6*9)+(5*3)+(4*1)+(3*3)+(2*3)+(1*5)=139
139 % 10 = 9
So 1239313-35-9 is a valid CAS Registry Number.