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5584-09-8

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5584-09-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 5584-09-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,5,8 and 4 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 5584-09:
(6*5)+(5*5)+(4*8)+(3*4)+(2*0)+(1*9)=108
108 % 10 = 8
So 5584-09-8 is a valid CAS Registry Number.

5584-09-8Downstream Products

5584-09-8Relevant articles and documents

Modified Procedure for the Preparation of 5-Nitro-2-furylmethylene Diacetate and Its Use in the Synthesis of Some Novel (5-Nitro-2-furyl)azomethines via 5-Nitro-2-furaldehyde

Vlaovic, Djordje,Milic, Bozidar Lj.,Mackenzie, Kenneth

, p. 1201 - 1218 (2007/10/02)

A modified two-step procedure for the preparation of 5-nitro-2-furylmethylene diacetate (3) by nitration of 2-furaldehyde (1) or 2-furylmethylene diacetate (4) with acetyl nitrate via 2-acetoxy-5-nitro-2,5-dihydro-2-furylmethylene diacetate (2), or 1,1,5-triacetoxy-2-hydroxy-5-nitro-3-penten (5) and 1,1,5-triacetoxy-2-hydroxy-5-nitro-2,4-pentadiene (6), has been developed.Acid hydrolysis of 3 yields 5-nitro-2-furaldehyde (7) which is used in the carbonylamine condensation with various hydrazines (9-11, 14, 17, 19, 21, 24, 25, 28, 29, 32, 34, 36, 38, 39, 41 and 44-54) prepared by known methods, in order to obtain some novel potentially pharmaceutically active (5-nitro-2-furyl)azomethines.

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