(3R,4S,8R,9S,10R,13S,14S,17S)-10,13-Dimethyl-3,17-bis-trimethylsilanyloxy-1,2,3,4,7,8,9,10,11,12,13,14,15,16,17,20-hexadecahydro-cyclopropa[3,4]cyclopenta[a]phenanthrene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 50300-23-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,0,3,0 and 0 respectively; the second part has 2 digits, 2 and 3 respectively. Calculate Digit Verification of CAS Registry Number 50300-23: (7*5)+(6*0)+(5*3)+(4*0)+(3*0)+(2*2)+(1*3)=57 57 % 10 = 7 So 50300-23-7 is a valid CAS Registry Number.
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