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1403230-02-3

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1403230-02-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1403230-02-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,0,3,2,3 and 0 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1403230-02:
(9*1)+(8*4)+(7*0)+(6*3)+(5*2)+(4*3)+(3*0)+(2*0)+(1*2)=83
83 % 10 = 3
So 1403230-02-3 is a valid CAS Registry Number.

1403230-02-3Downstream Products

1403230-02-3Relevant articles and documents

Concise [4+3] cycloaddition reaction of pyrroles leading to tropinone derivatives

Fuchigami, Ryuichi,Namba, Kosuke,Tanino, Keiji

supporting information, p. 5725 - 5728 (2012/10/29)

A concise [4+3] cycloaddition reaction of pyrroles with 2-(silyloxy)allyl cations has been developed. The oxyallyl cations stabilized with a methylthio group or geminal methyl groups were generated from the corresponding allylic alcohols under the influence of a Br?nsted acid (Tf2NH), respectively. The use of N-nosyl-protected pyrroles as the four-carbon unit was found to give tropinone derivatives in high yield.

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