(1S,4R,4aR,6R,7S,8R,8aS)-8-(tert-Butyl-dimethyl-silanyloxy)-1,2,3,4-tetrachloro-6-hydroxy-9,9-dimethoxy-7-methyl-4,4a,6,7,8,8a-hexahydro-1H-1,4-methano-naphthalen-5-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 188557-51-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,8,5,5 and 7 respectively; the second part has 2 digits, 5 and 1 respectively. Calculate Digit Verification of CAS Registry Number 188557-51: (8*1)+(7*8)+(6*8)+(5*5)+(4*5)+(3*7)+(2*5)+(1*1)=189 189 % 10 = 9 So 188557-51-9 is a valid CAS Registry Number.
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