Cas 1255216-18-2,C23H21N3O3S

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Check Digit Verification of cas no

The CAS Registry Mumber 1255216-18-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,5,2,1 and 6 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1255216-18:
(9*1)+(8*2)+(7*5)+(6*5)+(5*2)+(4*1)+(3*6)+(2*1)+(1*8)=132
132 % 10 = 2
So 1255216-18-2 is a valid CAS Registry Number.

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1255216-18-2Relevant articles and documents

A versatile one-pot multicomponent synthesis of novel quinazolinon-2-yl- tetrasubstituted thiophenes

Jalani, Hitesh B.,Kaila, Jitendra C.,Baraiya, Arshi B.,Pandya, Amit N.,Sudarsanam,Vasu, Kamala K.

supporting information; experimental part, p. 5686 - 5689 (2010/11/18)

Here, we report a versatile multicomponent synthesis of novel quinazolinon-2-yl-tetrasubstituted thiophenes by a one-pot reaction using different alkyl-3-aminobutenoates, isothiocyanates and 2-halomethyl quinazolinones in good to excellent yields. The reaction probably proceeds by an intramolecular 5-exo-trig cyclisation.

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CAS

1255216-18-2