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(S)-2-Amino-4-(6-amino-purin-9-yl)-butyric acid is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

128657-07-8

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128657-07-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128657-07-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,6,5 and 7 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 128657-07:
(8*1)+(7*2)+(6*8)+(5*6)+(4*5)+(3*7)+(2*0)+(1*7)=148
148 % 10 = 8
So 128657-07-8 is a valid CAS Registry Number.

128657-07-8Relevant academic research and scientific papers

Dinucleotide-analogous tetrapeptides. Specific triplex formation with complementary polynucleotides

Yamazaki, Takahisa,Komatsu, Kazunori,Umemiya, Hiroki,Hashimoto, Yuichi,Shudo, Koichi,Kagechika, Hiroyuki

, p. 8363 - 8366 (1997)

Several tetrapeptides (1-4) having two adenyl moieties at the side chains interacted complementary base-specifically with poly (dT) or poly (U). The hypochromic effects and CD spectra of the complexes suggested the formation of triplexes, which are more stable than those between natural ApA and the polynucleotides.

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