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74819-18-4

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74819-18-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74819-18-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,8,1 and 9 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 74819-18:
(7*7)+(6*4)+(5*8)+(4*1)+(3*9)+(2*1)+(1*8)=154
154 % 10 = 4
So 74819-18-4 is a valid CAS Registry Number.

74819-18-4Relevant articles and documents

Heterocyclic derivative and pharmaceutical composition comprising the same

-

, (2016/01/10)

The present invention provides novel compounds having a P2X3 and/or P2X2/3 receptor antagonistic effect. A pharmaceutical composition having a P2X3 and/or P2X2/3 receptor antagonistic effect comprising a compoun

Reactivity of 4-Arylmethyl-3-chloro-6-methylpyridazines Towards Some Nucleophilic Reagents

Ismail, M. F.,Shams, N. A.,Soliman, E. A.,El-Sawy, O. M.

, p. 78 - 79 (2007/10/02)

4-Arylmethyl-3-chloro-6-methylpyridazines (1) react with aniline and hydrazine hydrate to give 3-anilino-(2a-c)- and 3-hydrazino-(2d-f)-pyridazine derivatives, respectively.Sodium azide reacts with 1 to give the tetrazolopyridazines (4).Condensation of (1a,b) with benzaldehyde yields only 4-arylmethyl-6-methylpyridazin-3(2H)-ones (6).

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