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849791-82-8

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849791-82-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 849791-82-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,4,9,7,9 and 1 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 849791-82:
(8*8)+(7*4)+(6*9)+(5*7)+(4*9)+(3*1)+(2*8)+(1*2)=238
238 % 10 = 8
So 849791-82-8 is a valid CAS Registry Number.

849791-82-8Downstream Products

849791-82-8Relevant articles and documents

Neurosteroid analogues: Synthesis of 6-aza-allopregnanolone

Kasal, Alexander,Matyá?, Libor,Budě?ínsky, Milo?

, p. 2269 - 2278 (2007/10/03)

An efficient synthesis of 6-azapregnane derivatives and their biological activity is described. The nitrogen was introduced into the B ring using Beckmann rearrangement of the (E)-oxime of 6-oxo-B-nor-5α-pregnane derivatives. The required 3α-hydroxyl was produced either by solvolysis of the corresponding 3β-mesyloxy group or by the Meerwein-Ponndorf-Verley reduction of the 3-oxo group; this reduction could be carried out selectively with an unprotected 3,20-dioxo derivative. The binding of the 6-aza-steroids to the γ-aminobutyric acid receptor (GABAA) was measured using [35S]-tert-butyl-bicyclo[2.2.2]phosphorothionate (TBPS) and [ 3H]flunitrazepam. The only analogue to be slightly active was that lacking any oxygen function in position 3.

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