[(3aS,5R,6aS,7aR,8R,9R,11aR,11bS,11cS)-3-(tert-Butyl-dimethyl-silanyloxy)-5-ethoxy-9-methoxy-8,11a-dimethyl-1,4,5,6a,7,7a,8,9,10,11,11a,11b-dodecahydro-3aH-6-oxa-benzo[de]anthracen-11c-yl]-methanol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 105431-22-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,5,4,3 and 1 respectively; the second part has 2 digits, 2 and 2 respectively. Calculate Digit Verification of CAS Registry Number 105431-22: (8*1)+(7*0)+(6*5)+(5*4)+(4*3)+(3*1)+(2*2)+(1*2)=79 79 % 10 = 9 So 105431-22-9 is a valid CAS Registry Number.
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