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1372702-84-5

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1372702-84-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1372702-84-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,7,2,7,0 and 2 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1372702-84:
(9*1)+(8*3)+(7*7)+(6*2)+(5*7)+(4*0)+(3*2)+(2*8)+(1*4)=155
155 % 10 = 5
So 1372702-84-5 is a valid CAS Registry Number.

1372702-84-5Upstream product

1372702-84-5Downstream Products

1372702-84-5Relevant articles and documents

One-pot bi-enzymatic cascade synthesis of puerarin polyfructosides

Amaya-Delgado, Lorena,Arrizon, Javier,Gschaedler, Anne,Hernández, Lázaro,Morel, Sandrine,Musacchio, Alexis,Nú?ez-López, Gema,Remaud-Simeon, Magali

, (2020)

Enzymatic glycosylation is an efficient way to increase the water solubility and the bioavailability of flavonoids. Levansucrases from Bacillus subtilis (Bs_SacB), Gluconacetobacter diazotrophicus (Gd_LsdA), Leuconostoc mesenteroides (Lm_LevS) and Zymomonas mobilis (Zm_LevU) were screened for puerarin (daidzein-8-C-glucoside) fructosylation. Gd_LsdA transferred the fructosyl unit of sucrose onto the glucosyl unit of the acceptor forming β-D-fructofuranosyl-(2→6)-puerarin (P1a), while Bs_SacB, Lm_LevS and Zm_LevU synthesized puerarin-4’-O-β-D-fructofuranoside (P1b) and traces of P1a. The Gd_LsdA product P1a was purified and assayed as precursor for the synthesis of puerarin polyfructosides (PPFs). Bs_SacB elongated P1a more competently forming a linear series of water-soluble PPFs reaching at least 21 fructosyl units, as characterized by HPLC-UV-MS, HPSEC and MALDI-TOF-MS. Simultaneous or sequential Gd_LsdA/Bs_SacB reactions yielded PPFs directly from puerarin with the acceptor conversion ranging 82–92 percent. The bi-enzymatic cascade synthesis of PPFs in the same reactor avoided the isolation of the intermediate product P1a and it is appropriate for use at industrial scale.

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