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1173277-76-3

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1173277-76-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1173277-76-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,7,3,2,7 and 7 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1173277-76:
(9*1)+(8*1)+(7*7)+(6*3)+(5*2)+(4*7)+(3*7)+(2*7)+(1*6)=163
163 % 10 = 3
So 1173277-76-3 is a valid CAS Registry Number.

1173277-76-3Relevant articles and documents

A one-pot synthesis of 3,3′-methylenebis(2-arylamino-4H-chromen-4-one) from C-(4-oxo-4H-1-benzopyran-3-yl)-N-arylnitrone

Maiti, Sourav,Panja, Suman Kalyan,Bandyopadhyay, Chandrakanta

, p. 3966 - 3969 (2009)

2-(Arylamino)-4-oxo-4H-chromene-3-carbaldehyde 3 (R2 = aryl) produces 12H-chromeno[2,3-b]quinolin-12-one 4 when treated with sarcosine, piperidine or diethylamine, but produces 3,3′-methylenebis(2-arylamino-4H-chromen-4-one) 8 when treated with

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