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56345-98-3

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56345-98-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 56345-98-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,6,3,4 and 5 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 56345-98:
(7*5)+(6*6)+(5*3)+(4*4)+(3*5)+(2*9)+(1*8)=143
143 % 10 = 3
So 56345-98-3 is a valid CAS Registry Number.

56345-98-3Relevant articles and documents

Trifluoromethanesulfonic (Triflic) Acid Catalyzed Transformations of α-Hydroxy Carbonyl Compounds

Olah, George A.,Wu, An-hsiang

, p. 2531 - 2534 (2007/10/02)

Triflic acid catalyzed reaction of 2-hydroxy-2-adamantanecarboxylic acid results via ionizative decarbonylation in the formation of adamantanone.Under carbon monoxide pressure pinacol-type rearrangement gives 4,5-homoadamantanedione.Reactions of a series of α-hydroxy ketones result in fragmentation, deprotonation, and cyclization, respectively.The reactions and their suggested mechanism are discussed.

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