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50438-53-4

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50438-53-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 50438-53-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,0,4,3 and 8 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 50438-53:
(7*5)+(6*0)+(5*4)+(4*3)+(3*8)+(2*5)+(1*3)=104
104 % 10 = 4
So 50438-53-4 is a valid CAS Registry Number.

50438-53-4Relevant academic research and scientific papers

REACTION OF ORGANIC AZIDES WITH UNSATURATED COMPOUNDS. X. N-ARYLSULFONYLCARBOXIMIDIC ESTERS

Semenov, V. P.,Ogloblin, K. A.

, p. 2154 - 2161 (2007/10/02)

N-Arylsulfonylcarboximidic esters were obtained in the reaction of arenesulfonyl azides with 1-methoxypropene, 2-methyl-1-methoxypropene, 1-alkoxycyclohexenes, and 3,3,5,5-tetramethyl-1-ethoxycyclohexene.Hydrolysis of the imidic esters gave N-arylsulfonyl

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