(S)-2-Methyl-butyric acid (1S,3S,7S,8S,8aR)-3-(tert-butyl-dimethyl-silanyloxy)-8-[2-((2R,4R)-4-hydroxy-6-oxo-tetrahydro-pyran-2-yl)-ethyl]-7-methyl-1,2,3,7,8,8a-hexahydro-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 133805-99-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,8,0 and 5 respectively; the second part has 2 digits, 9 and 9 respectively. Calculate Digit Verification of CAS Registry Number 133805-99: (8*1)+(7*3)+(6*3)+(5*8)+(4*0)+(3*5)+(2*9)+(1*9)=129 129 % 10 = 9 So 133805-99-9 is a valid CAS Registry Number.
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