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72037-53-7

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72037-53-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 72037-53-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,0,3 and 7 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 72037-53:
(7*7)+(6*2)+(5*0)+(4*3)+(3*7)+(2*5)+(1*3)=107
107 % 10 = 7
So 72037-53-7 is a valid CAS Registry Number.

72037-53-7Relevant articles and documents

BF3*OEt2 CATALYZED CYCLOADDITION REACTIONS OF N-ARYL SCHIFF'S BASES WITH 1-ALKENYL, 1,2-PROPADIENYL, AND 1-ALKYNYL SULFIDES

Narasaka, Koichi,Shibata, Takanori

, p. 1039 - 1053 (2007/10/02)

Cycloaddition reaction proceeds between N-aryl Schiff's bases and 1-allenyl sulfides, a 1,2-propadienyl sulfide, or 1-alkynyl sulfides in the presence of BF3*OEt2 to provide 2-substituted quinoline derivatives.A 2-alkyl-4-quinolone alkaloid, leptome

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