931239-27-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 931239-27-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,3,1,2,3 and 9 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 931239-27:
(8*9)+(7*3)+(6*1)+(5*2)+(4*3)+(3*9)+(2*2)+(1*7)=159
159 % 10 = 9
So 931239-27-9 is a valid CAS Registry Number.