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78092-50-9

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78092-50-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 78092-50-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,0,9 and 2 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 78092-50:
(7*7)+(6*8)+(5*0)+(4*9)+(3*2)+(2*5)+(1*0)=149
149 % 10 = 9
So 78092-50-9 is a valid CAS Registry Number.

78092-50-9Relevant articles and documents

4-CHLOROPHENYL 5-CHLORO-8-QUINOLYL PHOSPHOROCHLORIDATE: A PRACTICALLY USEFUL PHOSPHORYLATING AGENT FOR OLIGORIBONUCLEOTIDE SYNTHESIS VIA PHOSPHOTRIESTER APPROACH

Takaku, Hiroshi,Yoshida, Masatoshi,Kamaike, Kazuo,Hata, Tsujiaki

, p. 197 - 200 (2007/10/02)

5'-O-Dimethoxytrityl-2'-O-tetrahydropyranylnucleosides (2) smoothly reacts with 4-chlorophenyl 5-chloro-8-quinolyl phosphorochloridate (1) prepared form 4-chlorophenyl phosphodichloridate and 5-chloro-8-hydroxyquinoline to give 5'-O-dimethoxytrityl-2'-O-tetrahydropyranylnucleoside 3'-(4-chlorophenyl, 5-chloro-8-quinolyl) phosphates (3) in high yields.They are key intermediates for the synthesis of oligoribonucleotides via phosphotriester approach.

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