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thiocarbonic acid O-[2-(6-isobutyrylamino-8-oxo-7,8-dihydro-imidazo[4,5-g]quinazolin-3-yl)-5,5,7,7-tetraisopropyl-tetrahydro-1,4,6,8-tetraoxa-5,7-disila-cyclopentacycloocten-3-yl] ester O-phenyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

843639-13-4

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843639-13-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 843639-13-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,4,3,6,3 and 9 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 843639-13:
(8*8)+(7*4)+(6*3)+(5*6)+(4*3)+(3*9)+(2*1)+(1*3)=184
184 % 10 = 4
So 843639-13-4 is a valid CAS Registry Number.

843639-13-4Relevant academic research and scientific papers

Size-expanded analogues of dG and dC: Synthesis and pairing properties in DNA

Liu, Haibo,Gao, Jianmin,Kool, Eric T.

, p. 639 - 647 (2005)

(Chemical Equation Presented) We describe the completion of the set of four benzo-fused expanded DNA (xDNA) nucleoside analogues. We previously reported the development of benzo-fused analogues of dA and dT and their inclusion in an exceptionally stable n

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