DL-Tetra-O-acetyl-1,2-anhydro-(1,2,3,5/4,6)-6-(hydroxymethyl)-1,2,3,4,5-cyclohexanepentol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 77144-68-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,1,4 and 4 respectively; the second part has 2 digits, 6 and 8 respectively. Calculate Digit Verification of CAS Registry Number 77144-68: (7*7)+(6*7)+(5*1)+(4*4)+(3*4)+(2*6)+(1*8)=144 144 % 10 = 4 So 77144-68-4 is a valid CAS Registry Number.