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1346463-83-9

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1346463-83-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1346463-83-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,4,6,4,6 and 3 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1346463-83:
(9*1)+(8*3)+(7*4)+(6*6)+(5*4)+(4*6)+(3*3)+(2*8)+(1*3)=169
169 % 10 = 9
So 1346463-83-9 is a valid CAS Registry Number.

1346463-83-9Downstream Products

1346463-83-9Relevant articles and documents

Substituent effects on the iodine-catalyzed thermal cyclization of 3,4-diphenylbuta-1,3-dienyl isocyanates: Mechanistic studies

Chuang, Ta-Hsien,Chang, Wei-Yu,Li, Chien-Fu,Wen, Yu-Chia,Tsai, Chia-Chen

supporting information; experimental part, p. 9678 - 9686 (2012/01/05)

The thermal cyclization of 3,4-diphenylbuta-1,3-dienyl isocyanates 1, generated in situ from the corresponding azides, was investigated using iodine as a catalyst. Diphenylpyridinones 2, phenylnaphthalenes 3, and indenes 4 were produced via intramolecular ring closure. The nature of the substituents on the phenyl rings was found to be crucial to the distribution of cyclized products 2 - 4. The mechanism of the reaction is also discussed.

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