(4aS,5aR,6aS,8R,9S,10aR,11aS,13aR)-9-(tert-Butyl-dimethyl-silanyloxy)-4a,8-dimethyl-tetradecahydro-1,5,7,11-tetraoxa-benzo[4,5]cyclohepta[1,2-b]naphthalen-2-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 436153-76-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,3,6,1,5 and 3 respectively; the second part has 2 digits, 7 and 6 respectively. Calculate Digit Verification of CAS Registry Number 436153-76: (8*4)+(7*3)+(6*6)+(5*1)+(4*5)+(3*3)+(2*7)+(1*6)=143 143 % 10 = 3 So 436153-76-3 is a valid CAS Registry Number.
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