(5R,6S,7S,8S,9S,10S)-7,9-(di-tert-butylsilylenedioxy)-5-hydroxy-3-methylene-6,8,10-trimethyl-12-((2S',4R',6S')-2-methyl-4-methoxytetrahydropyran-6-yl)-dodecane is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 157117-31-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,7,1,1 and 7 respectively; the second part has 2 digits, 3 and 1 respectively. Calculate Digit Verification of CAS Registry Number 157117-31: (8*1)+(7*5)+(6*7)+(5*1)+(4*1)+(3*7)+(2*3)+(1*1)=122 122 % 10 = 2 So 157117-31-2 is a valid CAS Registry Number.
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