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1456893-72-3

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1456893-72-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1456893-72-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,5,6,8,9 and 3 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1456893-72:
(9*1)+(8*4)+(7*5)+(6*6)+(5*8)+(4*9)+(3*3)+(2*7)+(1*2)=213
213 % 10 = 3
So 1456893-72-3 is a valid CAS Registry Number.

1456893-72-3Relevant articles and documents

Reaction of carbon disulfide with 2-bromoimidazolium salts. Novel bicyclic mesoionic thiazolo[3,2-a]imidazoles

Zama, Sana,Bouraiou, Abdelmalek,Bouacida, Sofiane,Roisnel, Thierry,Belfaitah, Ali

, p. 5605 - 5607 (2013)

A new class of thiazolo[3,2-a]imidazole derivatives is obtained in good yields, by reacting 1-methyl-2-bromoimidazolium salts bearing N +-CH2COAr, N+-CH2COMe, N +-CH2COOMe, or N+-CH2CN fragments, with carbon disulfide in the presence of Et3N at room temperature. The mesoionic structures of these compounds are established by NMR spectroscopy and by single-crystal X-ray analysis.

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