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1251952-73-4

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1251952-73-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1251952-73-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,1,9,5 and 2 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1251952-73:
(9*1)+(8*2)+(7*5)+(6*1)+(5*9)+(4*5)+(3*2)+(2*7)+(1*3)=154
154 % 10 = 4
So 1251952-73-4 is a valid CAS Registry Number.

1251952-73-4Downstream Products

1251952-73-4Relevant articles and documents

PROCESSES FOR THE PREPARATION OF 5-CHLORO-N-({(5S)-2-OXO-3-[4-(3-OXO-4-MORPHOLINYL)PHENYL]-1,3-OXAZOLIDIN-5-YL}METHYL)-2-THIOPHENE-CARBOXAMIDE AND INTERMEDIATES THEREOF

-

, (2013/07/25)

The present invention relates to processes for the preparation of oxazolidinone derivatives. More particularly the present invention provides processes for the preparation of 5-chloro-N-( {(5S)-2-oxo-3-[4-(3-oxo-4-moφholinyl)phenyl]-1,3-oxazolidin-5-yl methyl)-2-thiophene-carboxamide and intennediates thereof. Where L is a leaving group like halogen atom (F, CI, Br, I) or -OS02R where R = C'-4 alkyl straight chain or branched chain, sub or unsubstituted aryl, sub or unsub aryl alkyl; with a suitable reagent to provide the compound of formula (II). The reaction step is performed by reacting the compound of formula (IV) with amine source which may be dissolved in solvent like water or alcohol. For example ammonium hydroxide.

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