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1119249-36-3

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1119249-36-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1119249-36-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,1,9,2,4 and 9 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1119249-36:
(9*1)+(8*1)+(7*1)+(6*9)+(5*2)+(4*4)+(3*9)+(2*3)+(1*6)=143
143 % 10 = 3
So 1119249-36-3 is a valid CAS Registry Number.

1119249-36-3Relevant articles and documents

A phosphine-catalyzed regioselective [3+2] cycloaddition of ethyl 5,5-Diarylpenta-2,3,4-trienoate with aromatic aldehydes and α,β-unsaturated carbonyl compounds

Wang, Lu-Feng,Cao, Xiao-Ping,Shi, Zi-Fa,An, Peng,Chow, Hak-Fun

, p. 3383 - 3390 (2014)

Tributylphosphine-catalyzed regioselective [3+2] cycloadditions between ethyl 5,5-diarylpenta- 2,3,4-trienoate 1 and various aromatic aldehydes 2 to produce a wide variety of polysubstituted 2,5-dihydrofurans 3, and between 1 and β-unsubstituted α,β-unsat

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