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17β-hydroxy-17α-(3-hydroxyprop-1-ynyl)-11β-phenyl-estr-4-en-3-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

304432-40-4

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304432-40-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 304432-40-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,4,4,3 and 2 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 304432-40:
(8*3)+(7*0)+(6*4)+(5*4)+(4*3)+(3*2)+(2*4)+(1*0)=94
94 % 10 = 4
So 304432-40-4 is a valid CAS Registry Number.

304432-40-4Upstream product

304432-40-4Relevant academic research and scientific papers

An efficient synthesis of 11β-(4-aminophenyl)spiro[estr-4-ene-17β,2'(5'H)-furan]-3,5'-dione

Geisler,Cleve,Harre

, p. 6489 - 6492 (2000)

An efficient synthesis has been developed affording 11β-(4-aminophenyl)spiro[estr-4-ene-17β,2'(5'H)-furan]-3,5'-dione (2), main metabolite of antiprogestin (Z)- 11β-[4-(dimethylamino)phenyl] - 17β-hydroxy- 17α-(3-hydroxyprop- 1-enyl)estr-4-en-3-one (1), i

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