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128424-99-7

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128424-99-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128424-99-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,4,2 and 4 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 128424-99:
(8*1)+(7*2)+(6*8)+(5*4)+(4*2)+(3*4)+(2*9)+(1*9)=137
137 % 10 = 7
So 128424-99-7 is a valid CAS Registry Number.

128424-99-7Downstream Products

128424-99-7Relevant articles and documents

Protease inhibitors from a water bloom of the cyanobacterium Microcystis aeruginosa

Gesner-Apter, Shiri,Carmeli, Shmuel

, p. 1429 - 1436 (2009)

Bioassay-guided fractionation of the polar extract of a Microcystis aeruginosa water bloom biomass yielded 10 micropeptins and one anabaenopeptin. Eight of the micropeptins, micropeptins HU1069 (1), HU989 (2), HU1021 (3), HU1041 (4), HU975 (5), HU895A (6)

Ruckerbactin Produced by Yersinia ruckeri YRB Is a Diastereomer of the Siderophore Trivanchrobactin Produced by Vibrio campbellii DS40M4

Butler, Alison,Dulaney, Kalana,Reitz, Zachary L.,Stow, Parker R.,Thomsen, Emil

, p. 264 - 269 (2022/01/15)

The Gram-negative bacterium Yersinia ruckeri is the causative agent for enteric red mouth disease in salmonids. The genome of Y. ruckeri YRB contains a biosynthetic gene cluster encoding the biosynthesis of catechol siderophores that are diastereomeric with the known vanchrobactin class of siderophores, (DHBDArgLSer)(1–3). Ruckerbactin (1), produced by Y. ruckeri YRB, was found to be the linear tris-l-serine ester composed of l-arginine and 2,3-dihydroxybenzoic acid, (DHBLArgLSer)3. The biscatechol, (DHBLArgLSer)2 (2), and monocatechol, DHBLArgLSer (3), compounds were also isolated and characterized. The macrolactone of ruckerbactin was not detected. The presence of LArg in ruckerbactin makes it the diastereomer of trivanchrobactin with DArg. The electronic circular dichroism spectra of Fe(III)–ruckerbactin and Fe(III)–trivanchrobactin reveal the opposite enantiomeric configurations at the Fe(III) sites. Fe(III)–ruckerbactin adopts the Δ configuration, and Fe(III)–trivanchrobactin adopts the Λ configuration. Y. ruckeri YRB was also found to produce the antimicrobial agent holomycin (4).

C3 and 2D C3 Marfey's Methods for Amino Acid Analysis in Natural Products

Vijayasarathy, Soumini,Prasad, Pritesh,Fremlin, Leith J.,Ratnayake, Ranjala,Salim, Angela A.,Khalil, Zeinab,Capon, Robert J.

supporting information, p. 421 - 427 (2016/03/05)

We validate the improved resolution and sensitivity of the C3 Marfey's method, including an ability to resolve all Ile isomers, against an array of amino acids commonly encountered in natural products and by comparison to an existing Marfey's m

Eight micropeptins from a Microcystis spp. bloom collected from a fishpond near Kibbutz Lehavot HaBashan, Israel

Vegman, Margarita,Carmeli, Shmuel

, p. 10108 - 10115 (2013/11/06)

Eight new micropeptin-type cyclic depsipeptides, micropeptins LH920, LH1021, LH1048, LH1062, LH911A, LH911B, LH911C, and LH925, along with five known micropeptins, three known anabaenopeptins and two known microcystins (LR and RR), were isolated from a wa

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