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1233875-87-0

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1233875-87-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1233875-87-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,3,8,7 and 5 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1233875-87:
(9*1)+(8*2)+(7*3)+(6*3)+(5*8)+(4*7)+(3*5)+(2*8)+(1*7)=170
170 % 10 = 0
So 1233875-87-0 is a valid CAS Registry Number.

1233875-87-0Relevant articles and documents

α-Carboxy-6-nitroveratryl: A photolabile protecting group for carboxylic acids

Russell, Alexander G.,Ragoussi, Maria-Eleni,Ramalho, Rui,Wharton, Christopher W.,Carteau, David,Bassani, Dario M.,Snaith, John S.

supporting information; experimental part, p. 4648 - 4651 (2010/09/14)

(Figure presented) The synthesis of a new photolabile protecting group for carboxylic acids, α-carboxy-6-nitroveratryl (αCNV), is described. Bromide 3, prepared in four steps from 3,4-dimethoxyphenylacetic acid, was used to alkylate carboxylic acids under mild conditions in good yield. Palladium-catalyzed deallylation afforded the acids 4a-h, which underwent rapid and quantitative photolysis at wavelengths longer than 300 nm to liberate the carboxylic acid in good to quantitative yield. The rate of photolysis and quantum yield were determined to be 325 s-1 and 0.17.

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