[(8R,9S,13S,14S,16S,17S)-16-(3-Azido-propyl)-13-methyl-17-(tetrahydro-pyran-2-yloxy)-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-3-yloxy]-tert-butyl-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 220810-53-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,0,8,1 and 0 respectively; the second part has 2 digits, 5 and 3 respectively. Calculate Digit Verification of CAS Registry Number 220810-53: (8*2)+(7*2)+(6*0)+(5*8)+(4*1)+(3*0)+(2*5)+(1*3)=87 87 % 10 = 7 So 220810-53-7 is a valid CAS Registry Number.
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