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184769-87-7

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184769-87-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 184769-87-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,4,7,6 and 9 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 184769-87:
(8*1)+(7*8)+(6*4)+(5*7)+(4*6)+(3*9)+(2*8)+(1*7)=197
197 % 10 = 7
So 184769-87-7 is a valid CAS Registry Number.

184769-87-7Relevant articles and documents

INHIBITORS OF P38 MITOGEN-ACTIVATED PROTEIN KINASE

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Page/Page column 29, (2008/12/05)

Compounds of formula (I) are inhibitors of p38 MAP kinase activity, and are useful in the treatment of, inter alia, inflammatory and autoimmune disease formula (I): wherein R3, R4, R5 and R6 are each independently hydrogen or halogen; M and P are independently -N= or -CH=; Z is (a) a radical of formula R1R2CHNH-Y-L1-X1-(CH2)Z-, wherein R1R2CHNH- is an N-linked amino acid or amino acid ester group as defined in the description, and -Y-L1-X1-(CH2)Z- is a linker radical as defined in the description.

Total synthesis of vancomycin - Part 1: Design and development of methodology

Nicolaou,Li, Hui,Boddy, Christopher N. C.,Ramanjulu, Joshi M.,Yue, Tai-Yuen,Natarajan, Swaminathan,Chu, Xin-Jie,Braese, Stefan,Ruebsam, Frank

, p. 2584 - 2601 (2007/10/03)

o-Halosubstituted aromatic triazenes (e.g. I, Scheme 1) react with aryloxides (e.g. II, Scheme 1) in the presence of CuBr · Me2S, K2CO3 and pyridine in acetonitrile at reflux to afford biaryl ethers (e.g. V, Scheme 1). This general methodology (Tables 1 and 2) was applied to the construction of the C-O-D and D-O-E vancomycin model systems 37 (Scheme 2) and 50 (Scheme 3), demonstrating its potential in a projected total synthesis of vancomycin (1. Figure 1). For the construction of the vancomycin model AB biaryl ring system, a sequential strategy involving a Suzuki coupling of the C-O-D aryl iodide 74 (Scheme 7) and boronic acid 53 (Scheme 4), followed by macrolactamization was demonstrated, in which the preformed C-O-D ring framework served to preorganize the precursor for cyclization. The latter investigation led to Suzuki-coupling-based asymmetric synthesis of biaryl systems in which 2,2-bis(diphenylphosphino)-1,1'-binaphthyl (BINAP) was found to be the optimum ligand (Tables 3 and 4).

Conformational preferences about both exocyclic carbon-carbon bonds in some phenyl derivatives of ethane, propene, and 4-picoline

Schaefer, Ted,Kruczynski, Leonard J.,Krawchuk, Bert,Sebastian, Rudy,Charlton, James L.,McKinnon, David M.

, p. 2452 - 2459 (2007/10/02)

The 1H nmr spectra in solution of 1-R-(3,5-dibromophenyl)ethanes (R = CH3, C2H5, n-C3H7 to n-C6H13, OH, F, Br), of 1-amino-2-(3,5-dichlorophenyl)ethane, of 3,5-dichloroallylbenzene, and of 4-(3,5-dibromobenzyl)pyridine are analyzed at 305 K.For the ethane

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