tert-butyl(((3S,8R,9S,10R,13S,14S)-10,13-dimethyl-1,2,3,4,7,8,9,10,11,12,13,14,15,16-tetradecahydrospiro[cyclopenta[a]phenanthrene-17,2'-[1,3]dioxolan]-3-yl)oxy)dimethylsilane is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 202415-76-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,2,4,1 and 5 respectively; the second part has 2 digits, 7 and 6 respectively. Calculate Digit Verification of CAS Registry Number 202415-76: (8*2)+(7*0)+(6*2)+(5*4)+(4*1)+(3*5)+(2*7)+(1*6)=87 87 % 10 = 7 So 202415-76-7 is a valid CAS Registry Number.
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