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4290-21-5

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4290-21-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4290-21-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,2,9 and 0 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 4290-21:
(6*4)+(5*2)+(4*9)+(3*0)+(2*2)+(1*1)=75
75 % 10 = 5
So 4290-21-5 is a valid CAS Registry Number.

4290-21-5Downstream Products

4290-21-5Relevant articles and documents

Etude par spectroscopies ultraviolette-visible et de resonance paramagnetique electronique du transfert de charge entre des derives de l'indole et de l'acide dinitro-3,5 benzoique marques par le groupement nitroxyde

Rassat, Andre,Terech, Pierre

, p. 468 - 472 (2007/10/02)

We have studied the charge transfer complexation of indolic compounds with nitro derivatives of benzoic acid by ultraviolet-visible spectroscopy and by electronic paramagnetic resonance, using the nitroxide grop as spin probe.Despite electronic modificati

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