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321307-39-5

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321307-39-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 321307-39-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,2,1,3,0 and 7 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 321307-39:
(8*3)+(7*2)+(6*1)+(5*3)+(4*0)+(3*7)+(2*3)+(1*9)=95
95 % 10 = 5
So 321307-39-5 is a valid CAS Registry Number.

321307-39-5Relevant articles and documents

Stereoselective synthesis of (2R,5R)- and (2S,5R)-5-hydroxylysine

Van Den Nieuwendijk, Adrianus M. C. H.,Kriek, Nicole M. A. J.,Brussee, Johannes,Van Boom, Jacques H.,Van Der Gen, Arne

, p. 3683 - 3691 (2000)

A stereoselective synthesis of (2S,5R)-5-hydroxylysine (1) and (2R,5R)-5-hydroxylysine (17), based on a concept involving Williams glycine template methodology and (R)-hydroxynitrile lyase for the introduction of chirality at the α-position and the side-chain, respectively, is described. This strategy offers an expeditious route towards orthogonally protected 5-hydroxylysines.

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