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126260-67-1

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126260-67-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 126260-67-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,6,2,6 and 0 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 126260-67:
(8*1)+(7*2)+(6*6)+(5*2)+(4*6)+(3*0)+(2*6)+(1*7)=111
111 % 10 = 1
So 126260-67-1 is a valid CAS Registry Number.

126260-67-1Downstream Products

126260-67-1Relevant articles and documents

SYNTHESIS OF 1-TRIFLUOROMETHYL-β-CARBOLINE DERIVATIVES

Maki, Yasuo,Kimoto, Hiroshi,Fujii, Shozo,Nishida, Masakazu,Cohen, Louis A.

, p. 189 - 206 (1989)

Benzene-ring substituted 1-trifluoromethyl-β-carbolines (IV) were synthesized in 23-27percent overall yield by selenium dioxide dehydrogenation of the corresponding 1-trifluoromethyl-1,2,3,4-tetrahydro-β-carbolines(II); the latter compounds were obtained in high yield by Mannich-type condensation of the respective tryptamines with trifluoroacetaldehyde.Partial dehydrogenation of II with potassium permanganate provided 1-trifluoromethyl-3,4-dihydro-β-carbolines (III).L-tryptophan gave, following condensation, esterification and dehydrogenation, 3-carboethoxy-1-trifluoromethyl-β-carboline (IVf) in 84.8percent overall yield.The halogenation and nitration of 1-trifluoromethyl-β-carboline (IVa) were also examined.

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