239784-30-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 239784-30-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,3,9,7,8 and 4 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 239784-30:
(8*2)+(7*3)+(6*9)+(5*7)+(4*8)+(3*4)+(2*3)+(1*0)=176
176 % 10 = 6
So 239784-30-6 is a valid CAS Registry Number.