tert-butyldimethyl(((2R,4aR,5aS,10aS,11R,11aR)-2-(naphthalen-2-yl)-4,4a,5a,6,9,10a,11,11a-octahydro-[1,3]dioxino[40,50:5,6]pyrano[3,2-b]oxepin-11-yl)oxy)silane is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 784157-66-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,8,4,1,5 and 7 respectively; the second part has 2 digits, 6 and 6 respectively. Calculate Digit Verification of CAS Registry Number 784157-66: (8*7)+(7*8)+(6*4)+(5*1)+(4*5)+(3*7)+(2*6)+(1*6)=200 200 % 10 = 0 So 784157-66-0 is a valid CAS Registry Number.
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