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162465-29-4

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162465-29-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 162465-29-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,2,4,6 and 5 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 162465-29:
(8*1)+(7*6)+(6*2)+(5*4)+(4*6)+(3*5)+(2*2)+(1*9)=134
134 % 10 = 4
So 162465-29-4 is a valid CAS Registry Number.

162465-29-4Downstream Products

162465-29-4Relevant articles and documents

Synthesis of cryptothilone 1, the first cryptophycin-epothilone hybrid

White, James D.,Smits, Helmars,Hamel, Ernest

, p. 3947 - 3950 (2007/10/03)

A hybrid structure was synthesized in which one portion is characteristic of a cryptophycin and a second sector bears the signature of an epothilone. The hybrid, in contrast to parent cryptophycin and epothilone systems, showed no effect on the tubulin as

A synthesis of cryptophycin 4 using a planar chiral molybdenum cationic complex

Christopher, John A.,Kocienski, Philip J.,Kuhl, Alexander,Bell, Richard

, p. 463 - 466 (2007/10/03)

A synthesis of cytotoxic agent Cryptophycin 4 features a new approach to (5S,6R)-5-hydroxy-6-methyl-8-phenyl-(2E,7E)-dienoic acid in which the anti stereochemistry between two stereogenic centres is secured by addition of a 1,3-dioxan-4-ylcopper(I) reagen

Novel cryptophycin antitumor agents: Synthesis and cytotoxicity of fragment 'B' analogues

Patel, Vinod F.,Andis, Sherri L.,Kennedy, Joseph H.,Ray, James E.,Schultz, Richard M.

, p. 2588 - 2603 (2007/10/03)

A general synthetic approach to novel cryptophycin analogues 6 is described. N-Hydroxysuccinimide active ester 15, a key common intermediate, was converted to β-epoxide 6 in three steps, via initial coupling with unprotected amino acid 9, followed by deprotection/macrolactamization of acyclic precursor 16, and final oxidation of styrene 7 to install the C7-C8 β-epoxide. Cryptophycin styrenes 7 and β-epoxides 6, bearing diverse side chains in fragment 'B', were evaluated for cytotoxic activity, β-Epoxides 6, in general, were significantly more potent than the corresponding α-epoxides 17 and styrenes 7. A benzyl side chain was required for potent activity, with β-epoxide 6u, possessing a 3-Cl,4-(dimethylamino)benzyl moiety, as the most potent cytotoxic agent prepared, with an IC50 = 54 pM, only 2-fold-less than that of Cryptophycin-52 (3).

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