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480439-89-2

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480439-89-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 480439-89-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,8,0,4,3 and 9 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 480439-89:
(8*4)+(7*8)+(6*0)+(5*4)+(4*3)+(3*9)+(2*8)+(1*9)=172
172 % 10 = 2
So 480439-89-2 is a valid CAS Registry Number.

480439-89-2Relevant articles and documents

Getting DNA and RNA out of the dark with 2CNqA: A bright adenine analogue and interbase FRET donor

Del Nogal, Anna Wypijewska,Füchtbauer, Anders F.,Bood, Mattias,Nilsson, Jesper R.,Wranne, Moa S.,Sarangamath, Sangamesh,Pfeiffer, Pauline,Rajan, Vinoth Sundar,El-Sagheer, Afaf H.,Dahlén, Anders,Brown, Tom,Gr?tli, Morten,Marcus Wilhelmsson

, p. 7640 - 7652 (2020)

With the central role of nucleic acids there is a need for development of fluorophores that facilitate the visualization of processes involving nucleic acids without perturbing their natural properties and behaviour. Here, we incorporate a new analogue of adenine, 2CNqA, into both DNA and RNA, and evaluate its nucleobase-mimicking and internal fluorophore capacities. We find that 2CNqA displays excellent photophysical properties in both nucleic acids, is highly specific for thymine/uracil, and maintains and slightly stabilises the canonical conformations of DNA and RNA duplexes. Moreover, the 2CNqA fluorophore has a quantum yield in single-stranded and duplex DNA ranging from 10% to 44% and 22% to 32%, respectively, and a slightly lower one (average 12%) inside duplex RNA. In combination with a comparatively strong molar absorptivity for this class of compounds, the resulting brightness of 2CNqA inside double-stranded DNA is the highest reported for a fluorescent base analogue. The high, relatively sequence-independent quantum yield in duplexes makes 2CNqA promising as a nucleic acid label and as an interbase F?rster resonance energy transfer (FRET) donor. Finally, we report its excellent spectral overlap with the interbase FRET acceptors qAnitro and tCnitro, and demonstrate that these FRET pairs enable conformation studies of DNA and RNA.

Synthetic method of Jjar mycin

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Paragraph 0004; 0009-0010; 0014-0015, (2021/05/29)

The invention relates to a synthetic method of jjar mycin. The technical problems of long steps and high cost of the existing synthesis method are mainly solved. The synthesis method comprises the following synthesis steps: generating a compound 1 from 4-

Tumor immunity compound and application thereof

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Paragraph 0384-0389, (2020/07/14)

Disclosed are a tumor immunity compound and an application thereof. The invention discloses a compound as shown in the formula (I), optical isomers thereof, and pharmaceutically acceptable salts thereof, and an application of the compound as an STING agonist.

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