(E)-5-{(3aR,4R,6S,7S,7aS)-4-[(S)-(tert-Butyl-dimethyl-silanyloxy)-((R)-2,2-diethyl-[1,3]dioxolan-4-yl)-methyl]-2,2-diethyl-7-hydroxy-tetrahydro-[1,3]dioxolo[4,5-c]pyran-6-yl}-pent-2-enoic acid methyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 158348-21-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,8,3,4 and 8 respectively; the second part has 2 digits, 2 and 1 respectively. Calculate Digit Verification of CAS Registry Number 158348-21: (8*1)+(7*5)+(6*8)+(5*3)+(4*4)+(3*8)+(2*2)+(1*1)=151 151 % 10 = 1 So 158348-21-1 is a valid CAS Registry Number.
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