127769-56-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 127769-56-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,7,7,6 and 9 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 127769-56:
(8*1)+(7*2)+(6*7)+(5*7)+(4*6)+(3*9)+(2*5)+(1*6)=166
166 % 10 = 6
So 127769-56-6 is a valid CAS Registry Number.