127634-27-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 127634-27-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,7,6,3 and 4 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 127634-27:
(8*1)+(7*2)+(6*7)+(5*6)+(4*3)+(3*4)+(2*2)+(1*7)=129
129 % 10 = 9
So 127634-27-9 is a valid CAS Registry Number.