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132149-81-6

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132149-81-6 Usage

General Description

"(3R,4S,5S)-4-(tert-butoxycarbonyl(Methyl)aMino)-3-Methoxy-5-Methylheptanoic acid is a specific isomer of a relatively complicated organic compound. It serves as a molecular structure entailing various functional groups: a carboxylic acid (-COOH) group, a methyl ether (-OCH3) group, and a (tert-butoxycarbonyl)amino group, wherein the amino group (-NH2) has been substituted by a methyl group (-CH3) and protected by a tert-butoxycarbonyl group (-(C(CH3)3)2C=O). In addition, the presence of the "(3R,4S,5S)" descriptor indicates the spatial arrangement of these substituents in the molecule, which is particularly important for bioactive molecules due to the stereospecific nature of biological interactions. Though its specific uses or bioactivity are not generally reported, the complexity of its structure suggests potential application in advanced chemical syntheses or in the development of pharmaceuticals or biochemical probes.

Check Digit Verification of cas no

The CAS Registry Mumber 132149-81-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,2,1,4 and 9 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 132149-81:
(8*1)+(7*3)+(6*2)+(5*1)+(4*4)+(3*9)+(2*8)+(1*1)=106
106 % 10 = 6
So 132149-81-6 is a valid CAS Registry Number.

132149-81-6Relevant articles and documents

EFFICIENT PREPARATION OF DOLASTATIN AND AURISTATIN ANALOGS THROUGH A COMMON INTERMEDIATE

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Paragraph 0099, (2021/09/17)

Methods for making a dolastatin, auristatin or related compounds comprising the steps of providing a universal dolastatin core of Formula (I) reacting the C-terminal carboxylic acid group with an amine (A) to form an amide bond and reacting the N-terminal amine with a carboxylic acid (CA) to form an amide bond, wherein the steps can be performed in either order. Also provided are an isolated salt of the universal dolastatin core for use in preparation of dolastatins, auristatins and related compounds. Also provided are a number of intermediates and process steps which are useful for the preparation of high purity dolastatin core and high purity dolastatin and auristatin compounds.

CONJUGATION LINKERS CONTAINING 2,3-DIAMINOSUCCINYL GROUP

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Page/Page column 210, (2020/05/19)

Provided is a conjugate of a cytotoxic drug/molecule to a cell-binding molecule with a bis-linker (adual-linker) containing a 2, 3-diaminosuccinyl group. It also relates to preparation of the conjugate of a cytotoxic drug/molecule to a cell-binding molecule with the bis-linker, particularly when the drug having functional groups of amino, hydroxyl, diamino, amino-hydroxyl, dihydroxyl, carboxyl, hydrazine, aldehyde and thiol for conjugation with the bis-linker in a specific manner, as well as the therapeutic use of the conjugates.

Preparation method for antitumor active compound dolastatin 10 Dil fragment

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, (2018/05/16)

The invention belongs to the field of chemical synthesis, and relates to a preparation method for an antitumor active compound dolastatin 10 Dil fragment. The method for preparing the dolastatin 10 Dil fragment comprises the steps of performing conversion from an intermediate 1 to Dil, and synthesizing the compound according to steps 1-6. The method provided by the invention has the advantages ofa simple route, simple operation and a higher yield, and reagents used in the method are all common reagents; and in particular, the preparation costs of the technical route of the preparation methodare obviously reduced, the stereoselectivity is high, and the reaction conditions are mild.

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