17940-30-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 17940-30-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,9,4 and 0 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 17940-30:
(7*1)+(6*7)+(5*9)+(4*4)+(3*0)+(2*3)+(1*0)=116
116 % 10 = 6
So 17940-30-6 is a valid CAS Registry Number.