tert-Butyl-[(3S,10R,13S,15S,16R)-17-eth-(E)-ylidene-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-20-oxa-cyclopropa[15,16]cyclopenta[a]phenanthren-3-yloxy]-dimethyl-silane is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 78424-47-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,4,2 and 4 respectively; the second part has 2 digits, 4 and 7 respectively. Calculate Digit Verification of CAS Registry Number 78424-47: (7*7)+(6*8)+(5*4)+(4*2)+(3*4)+(2*4)+(1*7)=152 152 % 10 = 2 So 78424-47-2 is a valid CAS Registry Number.
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