1272656-84-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1272656-84-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,7,2,6,5 and 6 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1272656-84:
(9*1)+(8*2)+(7*7)+(6*2)+(5*6)+(4*5)+(3*6)+(2*8)+(1*4)=174
174 % 10 = 4
So 1272656-84-4 is a valid CAS Registry Number.