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99931-16-5

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99931-16-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 99931-16-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,9,3 and 1 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 99931-16:
(7*9)+(6*9)+(5*9)+(4*3)+(3*1)+(2*1)+(1*6)=185
185 % 10 = 5
So 99931-16-5 is a valid CAS Registry Number.

99931-16-5Relevant articles and documents

Experimental and theoretical research on a new corrosion inhibitor for effective oil and gas acidification

Li, Yongming,Wang, Dingli,Zhang, Lei

, p. 26464 - 26475 (2019)

A new dibenzylamine-quinoline derivative (DEEQ) was synthesized and investigated as a corrosion inhibitor for mild steel in 15% HCl solution in various ways, including via weight loss measurements, contact angle measurements, electrochemical measurements

SMALL MOLECULE AMPK ACTIVATORS

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Paragraph 0141; 0143; 0144, (2018/04/23)

Described herein are compounds that disrupt the interaction between Fbxo48 and phosphorylated-AMPK.

Amino functional poly(ethylene glycol) copolymers via protected amino glycidol

Obermeier, Boris,Wurm, Frederik,Frey, Holger

experimental part, p. 2244 - 2251 (2011/10/05)

The synthesis of poly (ethylene glycol) (PEG) copolymers with multiple amino functionalities within the chain is described, relying on an epoxide comonomer bearing a protected amino group. N,Ndibenzyl amino glycidol (DBAG) and ethylene oxide (EO) were copolymerized via anionic polymerization, leading to well-defined polymers with varied comonomer content and low polydispersities (Mw/Mn in the range of 1.1 to 1.2). Subsequent hydrogenolysis with Pearlman's catalyst afforded polyethylene glycol-coamino glycerols (PEG-coPAG) with a precisely adjusted number of randomly incorporated amino groups in the range of 2-15%. For the first time, the kinetics of an. EO copolymerizations have has been directly monitored by 1H NMR spectroscopy in real time. Monomer consumption and compositional drift in monomer feed have been studied for various reaction temperatures, revealing a slightly tapered yet random DBAG distribution in the copolymers. The random structure of the copolymers was confirmed by detailed 13C NMR characterization of EO- and DBAG-centered triad sequence distribution and DSC measurements.

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