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121349-15-3

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121349-15-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 121349-15-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,3,4 and 9 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 121349-15:
(8*1)+(7*2)+(6*1)+(5*3)+(4*4)+(3*9)+(2*1)+(1*5)=93
93 % 10 = 3
So 121349-15-3 is a valid CAS Registry Number.

121349-15-3Relevant articles and documents

Transformation of Dinucleoside S-Aryl Phosphorothioates into the Corresponding O-Alkyl Phosphates by Use of Tributyltin Alkoxides

Ohuchi, Shokichi,Ayukawa, Hiroshi,Hata, Tsujiaki

, p. 1501 - 1504 (2007/10/02)

Several alkyl dinucleoside phosphotriesters were easily obtained by use of the reaction of S-aryl dinucleoside phosphorothioates with tributyltin alkoxides.This reaction proceeds at room temperature under neutral conditions.

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