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61051-24-9

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61051-24-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 61051-24-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,1,0,5 and 1 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 61051-24:
(7*6)+(6*1)+(5*0)+(4*5)+(3*1)+(2*2)+(1*4)=79
79 % 10 = 9
So 61051-24-9 is a valid CAS Registry Number.

61051-24-9Relevant articles and documents

Synthesis of 3-Aryl-1-adamantanemethylamines

Handa, Indra,Bauer, Ludwig

, p. 223 - 225 (2007/10/02)

Friedel-Crafts alkylations of fluorobenzene, thioanisole, and thiophene with 3-bromo-1-adamantanecarboxylic acid are reported.Various Lewis acids (AlCl3, FeCl3, ZnCl2, SnCl4) served as effective catalysts for these substitution reactions.The products were 3-aryl-1-adamantanecarboxylic acids.Substitution took place in fluorobenzene and thioanisole at the para position and in thiophene at positions 2 and 3.These acids were reacted with phosphorus pentachloride and then ammonia to form amides which were reduced by lithium aluminum hydride to provide the corresponding3-aryl-1-adamantanemethylamines.

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