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1262217-50-4

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1262217-50-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1262217-50-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,6,2,2,1 and 7 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1262217-50:
(9*1)+(8*2)+(7*6)+(6*2)+(5*2)+(4*1)+(3*7)+(2*5)+(1*0)=124
124 % 10 = 4
So 1262217-50-4 is a valid CAS Registry Number.

1262217-50-4Downstream Products

1262217-50-4Relevant articles and documents

Synthesis, complexation, and biological activity studies of 4-aminomethyl-7,8-dihydroxy coumarines and their crown ether derivatives

Guemues, Arzu,Karadeniz, Seref,Ugras, Halil Ibrahim,Bulut, Mustafa,Cakir, Uemit,Goeren, Ahmet Ceyhan

, p. 1127 - 1133 (2010)

(Chemical Equation Presented) The article focuses synthesis of novel 4-aminomethyl-7,8-dihydroxy coumarins and their crown ether derivatives. The purified novel coumarins and their crown ether derivatives were identified by 1H NMR, 13C NMR, mass spectrometry and elemental analysis. The 1:1 binding constants of Ca2+, Mg2+, Fe2+, Zn2+, Ni2+, Cd2+, Co2+, and Mn 2+ ions at 25°C ± 0.1 with the 4-aminomethyl-7,8-dihydroxy coumarins and their crown ether derivatives estimated using extraction procedure with Inductively Coupled Plasma-Atomic Emission Spectroscopy in dichloromethane/water membrane systems. Synthesized compounds were investigated for complexation and biological activity properties. Best results in biological activity studies were observed for antioxidant activity.

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