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3β-hydroxy-5-methyl-19-nor-5β-androst-9-en-17β-yl benzoate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

402713-51-3

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402713-51-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 402713-51-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,0,2,7,1 and 3 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 402713-51:
(8*4)+(7*0)+(6*2)+(5*7)+(4*1)+(3*3)+(2*5)+(1*1)=103
103 % 10 = 3
So 402713-51-3 is a valid CAS Registry Number.

402713-51-3Upstream product

402713-51-3Relevant academic research and scientific papers

Analogues of androgen hormones with inverted configuration at carbons 5, 9, and 10

Kasal, Alexander,Budesinsky, Milos,Drasar, Pavel

, p. 57 - 70 (2002)

On catalytic hydrogenation of Δ9-steroids (e.g. 3β-hydroxy-5-methyl-19-nor-5β-androst-9-en-17-one), four isomers were formed: 9α,10α-, 9α,10β-, 9β,10α- and 9β,10β-adducts. The product distribution was affected by the nature of the C-3 substitue

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