The chemical compound "DL-O1-acetyl-O2,O4;O3,O5-((RS,SR)-dibenzylidene)-xylitol" is a complex organic molecule derived from xylitol, a sugar alcohol. It features an acetyl group at the O1 position and a dibenzylidene moiety bridging the O2, O4 and O3, O5 positions, with the dibenzylidene group being in a racemic mixture of RS and SR configurations. DL-O1-acetyl-O2,O4;O3,O5-((RS,SR)-dibenzylidene)-xylitol is characterized by its unique structural arrangement, which may have implications for its chemical reactivity and potential applications in various fields, such as pharmaceuticals or materials science.
The CAS Registry Mumber 4234-18-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,2,3 and 4 respectively; the second part has 2 digits, 1 and 8 respectively. Calculate Digit Verification of CAS Registry Number 4234-18: (6*4)+(5*2)+(4*3)+(3*4)+(2*1)+(1*8)=68 68 % 10 = 8 So 4234-18-8 is a valid CAS Registry Number.