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3-Hydroxymethyl-20-hydroxy-21-phenyl-19-norpregna-1,3,5(10)-triene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

158599-98-5

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158599-98-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 158599-98-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,8,5,9 and 9 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 158599-98:
(8*1)+(7*5)+(6*8)+(5*5)+(4*9)+(3*9)+(2*9)+(1*8)=205
205 % 10 = 5
So 158599-98-5 is a valid CAS Registry Number.

158599-98-5Downstream Products

158599-98-5Relevant academic research and scientific papers

3-Carboxy-20-keto steroids are dual uncompetitive inhibitors of human steroid 5α-reductase types 1 and 2

Yamashita, Dennis S.,Holt, Dennis A.,Oh, Hye-Ja,Shah, Dinu,Yen, Hwa-Kwo,Brandt, Martin,Levy, Mark A.

, p. 1481 - 1485 (1996)

Steroidal 3-carboxy-20-ketones have been prepared within two structural series, the androsta-3,5-dienes and the estra 1,3,5-trienes, as potential inhibitors of types 1 and 2 steroid 5α-reductase, the enzyme activity responsible for the final step in biosynthesis of dihydrotestosterone. These compounds are shown to be potent uncompetitive inhibitors of both human recombinant enzyme activities, defining a novel class of dual steroid 5α-reductase inhibitors.

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