129778-29-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 129778-29-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,7,7 and 8 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 129778-29:
(8*1)+(7*2)+(6*9)+(5*7)+(4*7)+(3*8)+(2*2)+(1*9)=176
176 % 10 = 6
So 129778-29-6 is a valid CAS Registry Number.