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1419853-53-4

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1419853-53-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1419853-53-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,1,9,8,5 and 3 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1419853-53:
(9*1)+(8*4)+(7*1)+(6*9)+(5*8)+(4*5)+(3*3)+(2*5)+(1*3)=184
184 % 10 = 4
So 1419853-53-4 is a valid CAS Registry Number.

1419853-53-4Upstream product

1419853-53-4Downstream Products

1419853-53-4Relevant articles and documents

Synthesis of some 4'-O substituted derivatives of natural naringin and their biological screening

Abbasi, Muhammad Athar,Riaz, Tauheeda,Aziz-Ur-Rehman,Shahzadi, Tayyaba,Khan, Khalid Mohammed,Ashraf, Muhammad,Ejaz, Syeda Abida

, p. 1927 - 1933 (2013/05/09)

This manuscript reports the synthesis of a series of new 4'-O-substituted derivatives of naringin (1) which is a naturally occurring flavanone glycoside isolated from the plant Rhynchosia pseudo-cajan Cambess. belonging to family of Papilionaceae. The structure of 1 was established through 1D and 2D NMR analysis and by comparison with its published data while its synthetic derivatives 3a-l, were characterized by 1H NMR spectra and all these were screened against four enzymes namely, acetylcholinesterase, butyrylcholinesterase lipoxygenase and chymotrypsin. Their antioxidant potential was also evaluated by 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical scavenging activity and only 4'-O-ethyl naringin (3a) showed antioxidant potential (IC50 36.21 ± 0.32 μM). 4'-O-Ethyl naringin (3a), 4'-O-(2''''- phenylethyl) naringin (3f), 4'-O-(3''''-phenylpropyl) naringin (3g) and 4'-O-(p-fluorobenzyl) naringin (3i) were found to be moderate inhibitors of butyrylcholinesterase while naringin (1) itself, 4'-O-n-butyl naringin (3b), 4'-O-iso-propyl naringin (3d) and 4'-O-(N-3''''', 5'''''-dimethylphenyl-C-acetamido) naringin (3l) were identified as moderate inhibitors of lipoxygenase. Against chymotrypsin only 4'-O- (p-bromobenzyl) naringin (3h) was found to be a moderate inhibitor.

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