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179691-41-9

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179691-41-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 179691-41-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,9,6,9 and 1 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 179691-41:
(8*1)+(7*7)+(6*9)+(5*6)+(4*9)+(3*1)+(2*4)+(1*1)=189
189 % 10 = 9
So 179691-41-9 is a valid CAS Registry Number.

179691-41-9Downstream Products

179691-41-9Relevant articles and documents

New photolabile protecting groups in nucleoside and nucleotide chemistry - Synthesis, cleavage mechanisms and applications

Giegrich,Eisele-Buehler,Hermann,Kvasyuk,Charubala,Pfleiderer

, p. 1987 - 1996 (2007/10/03)

New photolabile protecting groups have been found in the 2-(2- nitrophenyl)ethoxycarbonyl and the 2-(2-nitrophenyl)ethylsulfonyl group, respectively. The influence of substituents at the phenyl ring as well as the side-chain has been investigated regarding the photolysis rates on irradiation at 365 mn. β-Branching in the side-chain leads to highly increased rates of photodeprotection. A new type of photocleavage mechanism consisting of a photoinduced β-elimination process is proposed.

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