Trifluoro-acetic acid (3aR,3bS,6R,6aS,7aR)-2,2-dimethyl-5-oxo-hexahydro-furo[2',3':4,5]furo[2,3-d][1,3]dioxol-6-yl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 76542-59-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,5,4 and 2 respectively; the second part has 2 digits, 5 and 9 respectively. Calculate Digit Verification of CAS Registry Number 76542-59: (7*7)+(6*6)+(5*5)+(4*4)+(3*2)+(2*5)+(1*9)=151 151 % 10 = 1 So 76542-59-1 is a valid CAS Registry Number.