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77959-18-3

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77959-18-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 77959-18-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,9,5 and 9 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 77959-18:
(7*7)+(6*7)+(5*9)+(4*5)+(3*9)+(2*1)+(1*8)=193
193 % 10 = 3
So 77959-18-3 is a valid CAS Registry Number.

77959-18-3Relevant academic research and scientific papers

CYCLOADDITION REACTIONS OF 1,3-DIPHENYLTHIAZOLOBENZIMIDAZOLE WITH FULVENE AND TROPONE SYSTEMS

Tsuge, Otohiko,Shirashi, Hidehiko,Noguchi, Michihiko

, p. 213 - 216 (2007/10/02)

1,3-Diphenylthiazolobenzimidazole (1) containing tetravalent sulfur reacts as a thiocarbonyl ylide dipole with 6,6-diphenylfulvene to give a mixture of two regioisomeric exo- adducts and endo-adduct.The reaction of 1 with tropone and 8,8-dicyanoheptafulvene proceeds via a cycloaddition to the C4-C5 and C1-C2 bond of the addend to afford the exo-adduct and desulfurized compound respectively.

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