Cas 127654-45-9,3-Amino-4-[2-(pyrrolidine-1-carbonyl)-phenylamino]-chromen-2-one

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Check Digit Verification of cas no

The CAS Registry Mumber 127654-45-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,7,6,5 and 4 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 127654-45:
(8*1)+(7*2)+(6*7)+(5*6)+(4*5)+(3*4)+(2*4)+(1*5)=139
139 % 10 = 9
So 127654-45-9 is a valid CAS Registry Number.

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127654-45-9Relevant academic research and scientific papers

N-ANTHRANILIC ACID AMIDES. SYNTHESIS OF 6,7,8,13-TETRAHYDROBENZOPYRANOBENZODIAZEPINE-6,8-DIONE

Savel'ev, V. L.,Artamonova, O. S.,Makarov, A. V.,Troitskaya, V. S.,Antonova, A. V.,Vinokurov, V. G.

, p. 1011 - 1014 (2007/10/02)

The reaction of 3-nitro-4-chlorocoumarin with anthranilic acid was used to synthesize N-(3-nitro-4-coumarinyl)-anthranilic acid, from which, through the acid chloride, we obtained a number of amides, which were reduced to N-(3-amino-4-coumarinyl)anthranil

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