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C33H29ClN2O9 is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

81777-56-2

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81777-56-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81777-56-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,7,7 and 7 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 81777-56:
(7*8)+(6*1)+(5*7)+(4*7)+(3*7)+(2*5)+(1*6)=162
162 % 10 = 2
So 81777-56-2 is a valid CAS Registry Number.

81777-56-2Downstream Products

81777-56-2Relevant academic research and scientific papers

Nucleic acid related compounds. 38. Smooth and high-yield iodination and chlorination at C-5 of uracil bases and p-toluyl-protected nucleosides

Robins, Morris, J.,Barr, Philip J.,Giziewicz, Jerzy

, p. 554 - 557 (2007/10/02)

Treatment of uracil bases and protected nucleosides with iodine monochloride (ICl) gave the corresponding 5-iodouracil products in over 95percent purified yields.Analogously facile chlorination was effected with iodobenzene dichloride (PhICl2).Protection of the nucleosides as p-toluyl esters provided reactants that were soluble in organic solvents and crystallized readily in high yields.

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