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91666-82-9

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91666-82-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 91666-82-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,6,6 and 6 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 91666-82:
(7*9)+(6*1)+(5*6)+(4*6)+(3*6)+(2*8)+(1*2)=159
159 % 10 = 9
So 91666-82-9 is a valid CAS Registry Number.

91666-82-9Relevant articles and documents

New Entry to the Imidazopyrazole System through Photochemically Induced Sequential Transformations of Substituted Pyrrolo-1,2,3-triazoles: X-Ray Crystal Structure of a Substituted 1,3a,6,6a-Tetrahydroimidazopyrazole

Butler, Richard N.,Colleran, David M.,O'Shea, Donal F.,Cunningham, Desmond,McArdle, Patrick,Gillan, Ann M.

, p. 2757 - 2760 (1993)

Upon UV irradiation, substituted pyrrolo-1,2,3-triazoles were transformed by a new route to imidazopyrazoles.The mechanism of the reaction is discussed in terms of a likely 1,2,3,5-tetrazocine intermediate.An X-ray crystal structure of dimet

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