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83506-43-8

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83506-43-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 83506-43-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,5,0 and 6 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 83506-43:
(7*8)+(6*3)+(5*5)+(4*0)+(3*6)+(2*4)+(1*3)=128
128 % 10 = 8
So 83506-43-8 is a valid CAS Registry Number.

83506-43-8Downstream Products

83506-43-8Relevant articles and documents

Reaction of 3-Hydrazino-6-phenylpyridazines: Synthesis of s-Triazolopyridazines and 3-Heteroaryl-6-phenylpyridazines

Shams, N. A.,Kaddah, A. M.,Moustafa, A. H.

, p. 317 - 320 (2007/10/02)

3-Hydrazinopyridazines (1a and 1b) react with different acid derivatives to give s-triazolopyridazines (2, 3, 4 and 6) while with α,β-unsaturated carbonyl compounds they give pyrazolylpyridazines (7 and 8).The reaction of 1a with ethyl β-benzoylpro

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