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1616781-66-8

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1616781-66-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1616781-66-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,1,6,7,8 and 1 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1616781-66:
(9*1)+(8*6)+(7*1)+(6*6)+(5*7)+(4*8)+(3*1)+(2*6)+(1*6)=188
188 % 10 = 8
So 1616781-66-8 is a valid CAS Registry Number.

1616781-66-8Downstream Products

1616781-66-8Relevant articles and documents

Eosin Y-catalyzed, visible-light-promoted carbophosphinylation of allylic alcohols via a radical neophyl rearrangement

Yin, Yao,Weng, Wei-Zhi,Sun, Jian-Guo,Zhang, Bo

supporting information, p. 2356 - 2361 (2018/04/05)

A visible-light-promoted phosphinylation of allylic alcohols with concomitant 1,2-aryl migration is described. This transformation proceeds smoothly under metal-free and mild conditions by using an inexpensive organic dye, eosin Y, as the photocatalyst, affording various β-aryl-γ-ketophosphine oxides in moderate to good yields. Mechanistic studies suggested that the 1,2-aryl migration proceeded through a radical (neophyl) rearrangement.

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