(8R,9S,10R,13S,14S,17S)-17-(1-Ethoxy-vinyl)-13-ethyl-3-methoxy-16-methylene-2,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-17-ol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 192722-11-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,2,7,2 and 2 respectively; the second part has 2 digits, 1 and 1 respectively. Calculate Digit Verification of CAS Registry Number 192722-11: (8*1)+(7*9)+(6*2)+(5*7)+(4*2)+(3*2)+(2*1)+(1*1)=135 135 % 10 = 5 So 192722-11-5 is a valid CAS Registry Number.
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