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Benzoic acid, 3-methoxy-2-[(2-methoxyethoxy)methoxy]-5-(2-propenyl)-, methyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

669089-83-2

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669089-83-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 669089-83-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,6,9,0,8 and 9 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 669089-83:
(8*6)+(7*6)+(6*9)+(5*0)+(4*8)+(3*9)+(2*8)+(1*3)=222
222 % 10 = 2
So 669089-83-2 is a valid CAS Registry Number.

669089-83-2Relevant articles and documents

11C-Fallypride: Radiosynthesis and preliminary evaluation of a novel dopamine D2/D3 receptor PET radiotracer in non-human primate brain

Mukherjee, Jogeshwar,Shi, Bingzhi,Christian, Bradley T.,Chattopadhyay, Sankha,Narayanan, Tanjore K.

, p. 95 - 102 (2007/10/03)

Fallypride [benzamide, 5-(3-fluoropropyl)-2,3-dimethoxy-N-[(2S)-1-(2- propenyl)-2-pyrrolidinyl]methyl]-, CAS RN 166173-78-0] is a selective dopamine D2/D3 receptor antagonist. Carbon-11 labeled fallypride may serve as a radiotracer for use in biomedical imaging technique positron emission tomography (PET). The precursor, 5-(3-fluoropropyl)-2-hydroxy-3-methoxy-N-[(2S)- 1-(2-propenyl)-2-pyrrolidinyl]methyl]benzamide was synthesized from 2-hydroxy-3-methoxy-5-(2-propenyl)benzoic acid, methyl ester in seven steps with approximately 10% overall chemical yield. Using this precursor 11C-fallypride was produced by radiolabeling with 11C-methyl iodide in 25-40% radiochemical yields with specific activities of 200-1000 Ci/mmol. PET imaging studies in nonhuman primates with 11C-fallypride showed radiotracer localization in dopaminergic brain regions such as caudate, putamen, thalamus and cortex. This regional localization of 11C-fallypride is similar to that observed previously for 18F-fallypride. The results suggest 11C-fallypride is a useful PET radiotracer for imaging dopamine D2/ D3 receptors.

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