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98189-89-0

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98189-89-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 98189-89-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,1,8 and 9 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 98189-89:
(7*9)+(6*8)+(5*1)+(4*8)+(3*9)+(2*8)+(1*9)=200
200 % 10 = 0
So 98189-89-0 is a valid CAS Registry Number.

98189-89-0Relevant articles and documents

CONDENSED IMIDAZO-1,2,4-AZINES. 12. SYNTHESIS AND STRUCTURE OF SUBSTITUTED 5-H-IMIDAZO-1,2,4-TRIAZEPIN-4-ONES (-THIONES)

Kruglenko, V. P.,Patalakha, N. S.,Kurapov, P. B.,Klyuev, N. A.,Idzikovskii, V. A.,et al.

, p. 587 - 593 (2007/10/02)

The synthesis has been effected of new representatives of the imidazo-1,2,4-triazepin-4-ones (-thiones).It has been shown with the aid of IR and UV spectroscopic and mass spectrometric methods that the lactam (thione) form is the predominant one fo

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