(S)-2-Methyl-butyric acid (1S,3R,5S,7S,8S,8aR)-8-{2-[(2R,4R)-4-(tert-butyl-dimethyl-silanyloxy)-6-oxo-tetrahydro-pyran-2-yl]-ethyl}-5-hydroxy-3,7-dimethyl-1,2,3,5,6,7,8,8a-octahydro-naphthalen-1-yl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 118682-50-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,8,6,8 and 2 respectively; the second part has 2 digits, 5 and 0 respectively. Calculate Digit Verification of CAS Registry Number 118682-50: (8*1)+(7*1)+(6*8)+(5*6)+(4*8)+(3*2)+(2*5)+(1*0)=141 141 % 10 = 1 So 118682-50-1 is a valid CAS Registry Number.
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