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133776-15-5

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133776-15-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 133776-15-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,7,7 and 6 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 133776-15:
(8*1)+(7*3)+(6*3)+(5*7)+(4*7)+(3*6)+(2*1)+(1*5)=135
135 % 10 = 5
So 133776-15-5 is a valid CAS Registry Number.

133776-15-5Relevant articles and documents

Synthesis and antiviral and cytostatic properties of 3'-deoxy-3'-fluoro- and 2'-azido-3'-fluoro-2',3'-dideoxy-D-ribofuranosides of natural heterocyclic bases

Mikhailopulo,Poopeiko,Pricota,Sivets,Kvasyuk,Balzarini,De Clercq

, p. 2195 - 2202 (2007/10/02)

A series of 3'-deoxy-3'-fluoro- and 2'-azido-2',3'-dideoxy-3'-fluoro-D-ribofuranosides of natural heterocyclic bases have been synthesized with the use of universal carbohydrate precursors, viz., 1-O-acetyl-2,5-di-O-benzoyl-3-deoxy-3-fluoro-D-ribofuranose

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