117999-35-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 117999-35-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,9,9 and 9 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 117999-35:
(8*1)+(7*1)+(6*7)+(5*9)+(4*9)+(3*9)+(2*3)+(1*5)=176
176 % 10 = 6
So 117999-35-6 is a valid CAS Registry Number.