Phosphonic acid,
(2,3,3,4,4,5,5,6,6,7,7,8,8,8-tetradecafluoro-1-octenyl)-, diethyl ester,
(Z)- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 89175-93-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,1,7 and 5 respectively; the second part has 2 digits, 9 and 3 respectively. Calculate Digit Verification of CAS Registry Number 89175-93: (7*8)+(6*9)+(5*1)+(4*7)+(3*5)+(2*9)+(1*3)=179 179 % 10 = 9 So 89175-93-9 is a valid CAS Registry Number.