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89969-58-4

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89969-58-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 89969-58-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,9,6 and 9 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 89969-58:
(7*8)+(6*9)+(5*9)+(4*6)+(3*9)+(2*5)+(1*8)=224
224 % 10 = 4
So 89969-58-4 is a valid CAS Registry Number.

89969-58-4Downstream Products

89969-58-4Relevant articles and documents

REACTION OF SCHIFF BASES OBTAINED FROM 4-AMINOANTIPYRINE AND 4-AMINO-1,2,4-TRIAZOLE WITH KETONES

Letunov, V. I.

, p. 145 - 149 (2007/10/02)

With acetophenone and p-nitroacetophenone in alcohol and benzene media in the presence of acid N-arylidene-4-aminoantipyrines form α,β-unsaturated ketones, and with antipyrine the form aryldiantipyrylmethanes.With the same ketones N-arylidene-4-amino-1,2,4-triazoles form the products from addition at the azomethine bond.In both cases reaction with benzylideneacetone was not detected.

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