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603136-20-5

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603136-20-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 603136-20-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,0,3,1,3 and 6 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 603136-20:
(8*6)+(7*0)+(6*3)+(5*1)+(4*3)+(3*6)+(2*2)+(1*0)=105
105 % 10 = 5
So 603136-20-5 is a valid CAS Registry Number.

603136-20-5Relevant articles and documents

Stereoselective synthesis of new bicyclic N,O-iso-homonucleoside analogues

Richichi, Barbara,Cicchi, Stefano,Chiacchio, Ugo,Romeo, Giovanni,Brandi, Alberto

, p. 5231 - 5240 (2003)

The synthesis of two new bicyclic nucleoside analogues is reported. These compounds are iso-homonucleoside and are synthesised through a 1,3-dipolar cycloaddition of an enantiopure cyclic nitrone to protected allyl acohol and subsequent introduction of thymine by a Mitsunobu reaction.

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