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252921-82-7

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252921-82-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 252921-82-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,2,9,2 and 1 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 252921-82:
(8*2)+(7*5)+(6*2)+(5*9)+(4*2)+(3*1)+(2*8)+(1*2)=137
137 % 10 = 7
So 252921-82-7 is a valid CAS Registry Number.

252921-82-7Downstream Products

252921-82-7Relevant articles and documents

Synthesis of 3H-labeled 2-hydroxy-N-[(1,3,3-trimethyl-[4,5,6-3H]cyclohexyl)methyl]-5-azidobenzamide, a photoaffinity analog of an influenza fusion inhibitor

Dischino, Douglas D.,Cianci, Christopher,Krystal, Mark,Meanwell, Nicholas A.,Morimoto, Hiromi,Pearce, Bradley C.,Williams, Philip,Yu, Kuo-Long

, p. 965 - 974 (2007/10/03)

Synthesis of 3H-labeled 2-hydroxy-N-[(1,3,3-trimethyl-[4,5,6-3H]cyclohexyl)methyli]-5-azidobenzamide, a photoaffinity analog of an influenza fusion inhibitor, is reported. Tritiation of a mixture of N-(t-butoxycarbonyl)-1,3,3-trimethylcyclohex-4 (or 5)-enylmethylamine via T2 and Pd/C, followed by coupling of the deprotected tritiated amine with acetyl 5-azidosalicylic acid chloride yielded the penultimate product. Subsequent deprotection and normal phase HPLC purification yielded the target compound with a radiochemical purity > 99% and a specific activity of 63 Ci/mmol.

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