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847-21-2

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847-21-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 847-21-2 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 8,4 and 7 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 847-21:
(5*8)+(4*4)+(3*7)+(2*2)+(1*1)=82
82 % 10 = 2
So 847-21-2 is a valid CAS Registry Number.

847-21-2Downstream Products

847-21-2Relevant articles and documents

Stereochemistry of internucleoside phosphorus atom affects sugar pucker and acid hydrolysis of N3′-P5′ thio-phosphoramidates

Pourshahian, Soheil,Gryaznov, Sergei M.

supporting information, (2021/02/22)

Investigation of the sugar pucker of the two diastereomers of dinucleotide N3′-P5′-thio-phosphoramidates TNPSTNH2 and TNPSTOH shows that the Sp isomer adopts a more C3′-endo (North) sugar ring configuration than the Rp counterpart. In contrast, P-stereochemistry of oligonucleotide phosphorothioate (O3′-P5′) compounds has no effect on the nucleoside sugar puckering. This difference is also reflected in the different rate of acid hydrolysis for the two isomers. Thus, the Rp stereoisomer with less prevalent C3′-endo configuration has an acid hydrolysis rate constant ~50% higher than that of the Sp molecule. The TNPOTNH2 and TNPOTOH dinucleotides are hydrolyzed an order of magnitude faster than TNPSTNH2 and TNPSTOH, respectively. In addition, dinucleotides with the terminal 3′-OH group are hydrolyzed two times faster than their 3′-NH2 counterparts.

Synthesis and Properties of S,S-Diaryl Thymidine Phosphorodithioates

Sekine, Mitsuo,Hamaoki, Ken,Hata, Tsujiaki

, p. 3815 - 3827 (2007/10/02)

Appropriately protected and unprotected S,S-diphenyl thymidine 3'- or 5'-phosphorodithioates and S,S-bis(4-methoxyphenyl) thymidine 3'- or 5'-phosphorodithioates were successfully prepared by the reaction of the thymidine derivatives with cyclohexylammoni

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