299934-63-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 299934-63-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,9,9,9,3 and 4 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 299934-63:
(8*2)+(7*9)+(6*9)+(5*9)+(4*3)+(3*4)+(2*6)+(1*3)=217
217 % 10 = 7
So 299934-63-7 is a valid CAS Registry Number.