Toluene-4-sulfonic acid (1S,3R,8R,9S,10R,13S,14S)-1-hydroxy-10,13-dimethyl-17-oxo-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-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 104475-72-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,4,4,7 and 5 respectively; the second part has 2 digits, 7 and 2 respectively. Calculate Digit Verification of CAS Registry Number 104475-72: (8*1)+(7*0)+(6*4)+(5*4)+(4*7)+(3*5)+(2*7)+(1*2)=111 111 % 10 = 1 So 104475-72-1 is a valid CAS Registry Number.
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