Oxacyclotetradec-11-ene-2,6,10-trione,
14-ethyl-4-hydroxy-3,5,7,9,13-pentamethyl-,
(3R,4S,5S,7S,9R,11E,13R,14R)- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 81095-55-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,0,9 and 5 respectively; the second part has 2 digits, 5 and 5 respectively. Calculate Digit Verification of CAS Registry Number 81095-55: (7*8)+(6*1)+(5*0)+(4*9)+(3*5)+(2*5)+(1*5)=128 128 % 10 = 8 So 81095-55-8 is a valid CAS Registry Number.