127667-42-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 127667-42-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,7,6,6 and 7 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 127667-42:
(8*1)+(7*2)+(6*7)+(5*6)+(4*6)+(3*7)+(2*4)+(1*2)=149
149 % 10 = 9
So 127667-42-9 is a valid CAS Registry Number.