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4725-53-5

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4725-53-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4725-53-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,7,2 and 5 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 4725-53:
(6*4)+(5*7)+(4*2)+(3*5)+(2*5)+(1*3)=95
95 % 10 = 5
So 4725-53-5 is a valid CAS Registry Number.

4725-53-5Downstream Products

4725-53-5Relevant articles and documents

One-pot, high yield synthesis of α-ketols from Δ5- steroids

Salvador, Jorge A.R.,Moreira, Vania M.,Hanson, James R.,Carvalho, Rui A.

, p. 266 - 272 (2006)

α-Hydroxy ketones (α-ketols) are present in many compounds with biological activity. Several methods are available for the preparation of α-ketols but only a few of them describe the synthesis of steroid α-ketols from olefins. In this work, a new system c

Sulfuric acid hydrolysis of 3-beta-hydroxy-5-alpha, 6-alpha-epoxyandrostane.

Weinman,Weinman

, p. 699 - 705 (2007/10/07)

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