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1228107-73-0

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1228107-73-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1228107-73-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,8,1,0 and 7 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1228107-73:
(9*1)+(8*2)+(7*2)+(6*8)+(5*1)+(4*0)+(3*7)+(2*7)+(1*3)=130
130 % 10 = 0
So 1228107-73-0 is a valid CAS Registry Number.

1228107-73-0Upstream product

1228107-73-0Relevant articles and documents

Gold(I)-catalyzed rearrangement of propargyl benzyl ethers: A practical method for the generation and in situ transformation of substituted allenes

Bolte, Benoit,Odabachian, Yann,Gagosz, Fabien

supporting information; experimental part, p. 7294 - 7296 (2010/08/05)

A series of benzyl propargyl ethers react with a gold(I) catalyst to furnish variously substituted allenes via a 1,5-hydride shift/fragmentation sequence. This transformation is rapid and practical. It can be performed under very mild conditions (room temperature or 60 °C) using terminal as well as substituted alkyne substrates bearing a primary, secondary, or tertiary benzyl ether group. The allenes thus formed can be reacted in situ with an internal or external nucleophile, corresponding to an overall reductive substitution process, to produce more functionalized compounds.

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