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1383939-52-3

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1383939-52-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1383939-52-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,8,3,9,3 and 9 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1383939-52:
(9*1)+(8*3)+(7*8)+(6*3)+(5*9)+(4*3)+(3*9)+(2*5)+(1*2)=203
203 % 10 = 3
So 1383939-52-3 is a valid CAS Registry Number.

1383939-52-3Downstream Products

1383939-52-3Relevant articles and documents

Synthetic studies towards dendridine A: Synthesis of hemi-dendridine A acetate by Fischer indolization

Boyd, Emily M.,Sperry, Jonathan

, p. 3623 - 3626 (2012/09/22)

A short synthesis of hemi-dendridine A acetate has been accomplished. The synthesis is based on a modified Fischer indolization that represents a rare example of the single-step synthesis of a 7-oxytryptamine from an ortho-oxygenated phenylhydrazine. The synthetic route required developing an efficient synthesis of N-acetyl-2-pyrroline, the key coupling partner for the modified Fischer indolization. Some interesting chemistry associated with the abnormal Fischer indolization has been uncovered, whereby two molecules of the phenylhydrazine substrate combined along the abnormal reaction pathway, affording an unusual N-phenylindoleamine product.

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