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1021875-49-9

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1021875-49-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1021875-49-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,1,8,7 and 5 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1021875-49:
(9*1)+(8*0)+(7*2)+(6*1)+(5*8)+(4*7)+(3*5)+(2*4)+(1*9)=129
129 % 10 = 9
So 1021875-49-9 is a valid CAS Registry Number.

1021875-49-9Upstream product

1021875-49-9Downstream Products

1021875-49-9Relevant academic research and scientific papers

Synthesis of novel multidentate carbohydrate-triazole ligands

Ziegler, Thomas,Hermann, Catrin

, p. 2166 - 2169 (2008)

Cu(I)-catalyzed 1,3-dipolar cycloaddition (click reaction) of 1 mol equiv of N,N′-di-prop-2-ynyl-phthalamide (1a), N,N′-di-prop-2-ynyl-isophthalamide (1b), and pyridine-2,6-dicarboxylic acid bis-prop-2-ynylamide (1c), respectively with 2 mol equiv of 2,3,

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