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250691-21-5

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250691-21-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 250691-21-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,0,6,9 and 1 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 250691-21:
(8*2)+(7*5)+(6*0)+(5*6)+(4*9)+(3*1)+(2*2)+(1*1)=125
125 % 10 = 5
So 250691-21-5 is a valid CAS Registry Number.

250691-21-5Downstream Products

250691-21-5Relevant articles and documents

A novel electrosynthetic system for anodic substitution reactions by using parallel laminar flow in a microflow reactor

Horii, Daisuke,Amemiya, Fumihiro,Fuchigami, Toshio,Atobe, Mahito

experimental part, p. 10382 - 10387 (2009/10/23)

We have developed a novel electrosynthetic system for anodic substitution reactions by using parallel laminar flow in a microflow reactor. This system enables nucleophilic reactions to overcome the restraint, such as the oxidation potential of nucleophiles and the stability of cationic intermediates, by the combined use of ionic liquids as reaction media and the parallel laminar flow in the microflow reactor. By using this novel electrosynthetic system, the anodic substitution reaction of carbamates, especially of cyclic carbamates, with allyltrimethylsilane were carried out to provide the corresponding products in moderate to good conversion yields in a single flow-through operation at ambient temperature (without the need for low-temperature conditions).

Cation flow method: A new approach to conventional and combinatorial organic syntheses using electrochemical microflow systems

Suga,Okajima,Fujiwara,Yoshida

, p. 7941 - 7942 (2007/10/03)

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