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18964-33-5

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18964-33-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 18964-33-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,9,6 and 4 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 18964-33:
(7*1)+(6*8)+(5*9)+(4*6)+(3*4)+(2*3)+(1*3)=145
145 % 10 = 5
So 18964-33-5 is a valid CAS Registry Number.

18964-33-5Relevant articles and documents

STEREOSPECIFIC SYNTHESIS OF CARBOCYCLIC NUCLEOSIDES FROM 2-AZABICYCLO-HEPTAN-3-ONES VIA SODIUM BOROHYDRIDE MEDIATED CARBON-NITROGEN BOND CLEAVAGE

Katagiri, Nobuya,Muto, Makoto,Kaneko, Chikara

, p. 1645 - 1648 (1989)

New synthons for carbocyclic nucleosides have been synthesized from 2-azabicyclohept-5-en-3-one readily available from cyclopentadiene, through introduction of an electron-withdrawing substituent at the 2-position followed by reduction with sodium

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