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75443-45-7

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75443-45-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 75443-45-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,4,4 and 3 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 75443-45:
(7*7)+(6*5)+(5*4)+(4*4)+(3*3)+(2*4)+(1*5)=137
137 % 10 = 7
So 75443-45-7 is a valid CAS Registry Number.

75443-45-7Downstream Products

75443-45-7Relevant articles and documents

Liquid-Liquid Extraction of Some Class b Metal Ions with a Thiacrown Compound, 1,4,7,10,13,16-Hexathiacyclooctadecane

Sekido, Eiichi,Kawahara, Hideo,Tsuji, Kaoru

, p. 1587 - 1592 (1988)

The liquid-liquid extraction of various metal ions, especially of soft class b metal ions with a thiacrown compound, 1,4,7,10,13,16-hexathiacyclooctadecane (HTCO) using picrate ion (Pic-) was examined and compared with that of 1,4,8,11-tetrathiacyclotetradecane (TTCT).Although the extraction behavior of the class a, ab, and b metals with HTCO is fundamentally similar to that with TTCT, that of some metals belonging to class b metals with HTCO is different from that with TTCT.The extraction percentages of copper(II) and palladium(II) with HTCO are a few times larger than those with TTCT.Copper(I) and silver(I) are extracted with HTCO as the 1:1 complexes such as +Pic- and +Pic-, respectively, regardless of the relative concentration of the ligand to the metal.On the other hand, copper(I) and silver(I) complexes with TTCT are extracted with different compositions dependenig upon the relative concentration of the ligand to the metal.

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