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(+/-)-17α-Ethinyl-17β-hydroxy-9β,10α-oestren-(4)-on-(3) is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

19698-69-2

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19698-69-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 19698-69-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,6,9 and 8 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 19698-69:
(7*1)+(6*9)+(5*6)+(4*9)+(3*8)+(2*6)+(1*9)=172
172 % 10 = 2
So 19698-69-2 is a valid CAS Registry Number.

19698-69-2Upstream product

19698-69-2Downstream Products

19698-69-2Relevant academic research and scientific papers

Synthesis of 13-alkyl-gon-4-ones

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, (2008/06/13)

The preparation of 13-methylgon-4-enes and novel 13-polycarbonalkylgon-4-enes by a new total synthesis is described. 13-Alkylgon-4-enes having progestational, anabolic and androgenic activities are prepared by forming a tetracylic gonane structure unsaturated in the 1,3,5(10),9(11) and 14-positions, selectively reducing in the B- and C-rings, and converting the aromatic A-ring compounds so-produced to gon-4-enes by Birch reduction and hydrolysis.

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