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231619-85-5

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231619-85-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 231619-85-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,3,1,6,1 and 9 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 231619-85:
(8*2)+(7*3)+(6*1)+(5*6)+(4*1)+(3*9)+(2*8)+(1*5)=125
125 % 10 = 5
So 231619-85-5 is a valid CAS Registry Number.

231619-85-5Relevant articles and documents

The novel C-5 aryl, alkenyl, and alkynyl substituted uracil derivatives of l-ascorbic acid: Synthesis, cytostatic, and antiviral activity evaluations

Gazivoda, Tatjana,Raic-Malic, Silvana,Marjanovic, Marko,Kralj, Marijeta,Pavelic, Kresimir,Balzarini, Jan,Clercq, Erik De,Mintas, Mladen

, p. 749 - 758 (2007)

The novel C-5 substituted uracil derivatives of l-ascorbic acid were synthesized by coupling of 5-iodouracil-4,5-didehydro-5,6-dideoxy-l-ascorbic acid with unsaturated stannanes under Stille reaction conditions. The new compounds were evaluated for their antitumoral and antiviral activities. Among all compounds evaluated the 5-propynyl substituted uracil derivative of l-ascorbic acid (7) exhibited the most pronounced cytostatic activities against all examined tumor cell lines (IC50: 0.2-0.78 μM). However, this compound was also cytotoxic to human normal fibroblasts WI 38. The 5-(phenylethynyl)uracil-2,3-di-O-benzylated l-ascorbic acid derivative (4) exhibited an albeit slight (IC50: 55-108 μM), but selective inhibitory effect toward all tumor cell lines except for cervical carcinoma (HeLa), pancreatic carcinoma (MiaPaCa-2), laryngeal carcinoma (Hep-2), and colon carcinoma (SW 620), and no cytotoxicity to normal human fibroblast (WI 38). Compound 7 showed some, not highly specific, inhibitory potential against vesicular stomatitis virus, Coxsackie B4 virus, and Sindbis viruses (EC50: 1.6 μM).

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