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183155-67-1

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183155-67-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 183155-67-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,3,1,5 and 5 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 183155-67:
(8*1)+(7*8)+(6*3)+(5*1)+(4*5)+(3*5)+(2*6)+(1*7)=141
141 % 10 = 1
So 183155-67-1 is a valid CAS Registry Number.

183155-67-1Downstream Products

183155-67-1Relevant articles and documents

Iododestannylation: An Improved Synthesis of Iodoproxyfan, a Specific Radioligand of the Histamine H3 Receptor

Krause, Michael,Stark, Holger,Schunack, Walter

, p. 601 - 606 (2007/10/03)

Iodoproxyfan, a specific radioligand of histamine H3 receptors, was synthesized in 60percent yield under very mild conditions from a tributylstannyl precursor.The arylstannane, which was obtained in a palladium-catalyzed reaction of arylbromide and hexabutylditin, smoothly underwent radioiodination with sodium iodide and chloramine-T to give tritylated iodoproxyfan.Final detritylation was achieved with formic acid 90percent at room temperature.Compared to the original copper(I)-mediated halogen exchange this procedure has major advantages in terms of cost and ease of use. - Key Words: Iodine-125; iododestannylation; iodoproxyfan; histamine H3 receptor antagonist.

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