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135761-13-6

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135761-13-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 135761-13-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,5,7,6 and 1 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 135761-13:
(8*1)+(7*3)+(6*5)+(5*7)+(4*6)+(3*1)+(2*1)+(1*3)=126
126 % 10 = 6
So 135761-13-6 is a valid CAS Registry Number.

135761-13-6Relevant articles and documents

Process for the stereochemical inversion of (2S,3S)-2-amino-3-phenyl-1,3-propanediols into their (2R,3R) enantiomers

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, (2008/06/13)

A four step process for transforming (2S,3S)-2-amino-3-phenyl-1,3-propanediols into their (2R,3R)-enantiomers is described. The final compounds are useful intermediates for the synthesis of antibiotics like Chloramphenicol, Thiamphenicol and Florfenicol. The starting products generally are discard products in the synthesis of said antibiotics.

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