103239-94-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 103239-94-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,2,3 and 9 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 103239-94:
(8*1)+(7*0)+(6*3)+(5*2)+(4*3)+(3*9)+(2*9)+(1*4)=97
97 % 10 = 7
So 103239-94-7 is a valid CAS Registry Number.