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34904-92-2

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34904-92-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 34904-92-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,4,9,0 and 4 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 34904-92:
(7*3)+(6*4)+(5*9)+(4*0)+(3*4)+(2*9)+(1*2)=122
122 % 10 = 2
So 34904-92-2 is a valid CAS Registry Number.

34904-92-2Downstream Products

34904-92-2Relevant articles and documents

Photoinduced Release of a Chemical Fuel for Acid–Base-Operated Molecular Machines

Biagini, Chiara,Di Pietri, Flaminia,Mandolini, Luigi,Lanzalunga, Osvaldo,Di Stefano, Stefano

, p. 10122 - 10127 (2018)

Back and forth motions of the acid–base-operated molecular switch 1 are photo-controlled by irradiation of a solution, which also contains the photolabile pre-fuel 4. The photo-stimulated deprotection of the pre-fuel produces controlled amounts of acid 2,

A time-resolved spectroscopic study of the bichromophoric phototrigger 3',5'-dimethoxybenzoin diethyl phosphate: Interaction between the two chromophores determines the reaction pathway

Chensheng, Ma.,Kwok, Wai Ming,An, Hui-Ying,Guan, Xiangguo,Fu, Michael Yunyi,Toy, Patrick H.,Phillips, David Lee

supporting information; experimental part, p. 5102 - 5118 (2010/08/05)

3',5'-Dimethoxybenzoin (DMB) is a bichromophoric system that has widespread application as a highly efficient photoremovable protecting group (PRPG) for the release of diverse functional groups. The photodeprotection of DMB phototriggers is remarkably cle

Wavelength-controlled orthogonal photolysis of protecting groups

Blanc, Aurelien,Bochet, Christian G.

, p. 5567 - 5577 (2007/10/03)

The selective control of a chemical process by the use of an electromagnetic wave has been a challenging goal for several decades. In this article, we describe for the first time the use of a monochromatic light beam to differentiate two different reactive centers. A direct application of this concept is found in the chemistry of protecting groups. Two different photolabile protecting groups were tuned to be responsive to a specific wavelength (e.g., 254 or 420 nm). Using derivatives of the 2-nitroveratryl fragment (such as 10, sensitive at 420 nm) and 3′,5′-dimethoxybenzoin fragment (such as 4, sensitive at 254 nm), it was shown that energy transfer phenomena did not erode the selectivity. Both the inter- and the intramolecular cases were studied and showed selectivities within the synthetically useful range. Hence, we could replace the traditional chemical orthogonality by a chromatic orthogonality.

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