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1421765-20-9

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1421765-20-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1421765-20-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,1,7,6 and 5 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1421765-20:
(9*1)+(8*4)+(7*2)+(6*1)+(5*7)+(4*6)+(3*5)+(2*2)+(1*0)=139
139 % 10 = 9
So 1421765-20-9 is a valid CAS Registry Number.

1421765-20-9Downstream Products

1421765-20-9Relevant articles and documents

Complexes of Zn(II) containing (o-)/(p-) carboxylato phenyl azo pentane 2,4-dione and 2,2′ bipyridine as ligands: Synthesis, characterization, colorimetric and fluorometric modulation in the presence of Ag+ ions

Amin Hasan, Md.,Kumari, Niraj,Kumar, Pankaj,Pathak, Brajesh,Mishra, Lallan

, p. 306 - 313 (2013/04/10)

Azo-enol based ligands 2-[N′-(1-acetyl-2-oxo-propylidene) hydrazino]-benzoic acid (L1H2) and 4-[N′-(1 acetyl-2 oxo-propylidene)-hydrazino]-benzoic acid (L2H2) and their complexes [Zn(L1H)2(

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