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144149-90-6

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144149-90-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 144149-90-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,4,1,4 and 9 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 144149-90:
(8*1)+(7*4)+(6*4)+(5*1)+(4*4)+(3*9)+(2*9)+(1*0)=126
126 % 10 = 6
So 144149-90-6 is a valid CAS Registry Number.

144149-90-6Downstream Products

144149-90-6Relevant articles and documents

The dakin-west reaction of N-acyl-1,2,3,4-tetrahydroisoquinoline-1-carboxylic acids using trifluoroacetic anhydride: Structural revision for the unexpected product

Kawase, Masami,Okada, Youichi,Miyamae, Hiroshi

, p. 285 - 294 (2007/10/03)

The Dakin-West reaction of N-pivaloyl- and N-benzoyl-1,2,3,4-tetrahydroisoquinoline-1-carboxylic acids (1a-e) with trifluoroacetic anhydride yielded unexpectedly 1-(1-acyloxy-2,2,2-trifluoroethyl)-3,4-dihydroisoquinoline derivatives (3a-e) in good yields.

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