(4S,5S)-5-(tert-Butyl-dimethyl-silanyloxy)-6-[(2S,3S,4S,5S,6R,9S,11S)-4-(tert-butyl-dimethyl-silanyloxy)-9-ethyl-3,5,11-trimethyl-8-oxo-1-oxa-7-aza-spiro[5.5]undec-2-yl]-4-methyl-hexanal is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 247107-81-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,4,7,1,0 and 7 respectively; the second part has 2 digits, 8 and 1 respectively. Calculate Digit Verification of CAS Registry Number 247107-81: (8*2)+(7*4)+(6*7)+(5*1)+(4*0)+(3*7)+(2*8)+(1*1)=129 129 % 10 = 9 So 247107-81-9 is a valid CAS Registry Number.
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