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77817-68-6

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77817-68-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 77817-68-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,8,1 and 7 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 77817-68:
(7*7)+(6*7)+(5*8)+(4*1)+(3*7)+(2*6)+(1*8)=176
176 % 10 = 6
So 77817-68-6 is a valid CAS Registry Number.

77817-68-6Downstream Products

77817-68-6Relevant articles and documents

The Reactions of Monosubstituted Guanidins with α,β-Unsaturated Ketones

Wendelin, Winfried,Schermanz, Karl,Fuchsgruber, Alfred,Harler, Anton

, p. 1399 - 1412 (1980)

Action of methyl-, benzyl- and phenylguanidine on mesityloxide yields the 2-R3-imino-4,4,6-trimethyl-1,2,3,4-tetrahydropyrimidines resp. 2-R3-aminopyrimidines 8b, c and e, cyclohexylidenacetone reacts with benzylguanidine to give the 2-benzylimino-4-methyl-1,3-diazaspiroundeca-4-en resp. the benzylaminodiazaspiroundecadien (8d).The isomeric 1- and 3-R3-pyrimidinimines (resp. -amines) 9 b-e and 10 b-e are not formed in the reaction.The structures were proved by spectroscopical and chemical methods. - Keywords: Guanidines, monosubstituted; Ketone, α,β-unsatturated; Pyrimidines, 2-alkylimino-1,2,3,4-tetrahydro

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