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629625-17-8

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629625-17-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 629625-17-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,2,9,6,2 and 5 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 629625-17:
(8*6)+(7*2)+(6*9)+(5*6)+(4*2)+(3*5)+(2*1)+(1*7)=178
178 % 10 = 8
So 629625-17-8 is a valid CAS Registry Number.

629625-17-8Downstream Products

629625-17-8Relevant articles and documents

Exploring Two Reactions of Ketones with Ge[CH(SiMe3) 2]2: CH and OH Insertion

Sweeder, Ryan D.,Miller, Karla A.,Edwards, Fern A.,Wang, Jia,Banaszak Holl, Mark M.,Kampf, Jeff W.

, p. 5054 - 5062 (2008/10/09)

Herein we report the CH insertion of a stable germylene, Ge[CH(SiMe 3)2]2, into the α-CH bonds of the acetyl-containing ketones acetone, butanone, and cyclopropyl methyl ketone. This CH insertion reaction requires the presence of MgCl2, yet the reaction can be successfully carried out in hydrocarbon, aromatic, and ethereal solvents. In the absence of MgCl2, these acetyl-containing ketones do not undergo CH insertion but instead undergo an OH insertion to give a germyl vinyl ether. A number of other ketones, including the acetyl-containing pinacolone, have been observed to only undergo insertion into the OH bond even in the presence of MgCl2.

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