152039-42-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 152039-42-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,2,0,3 and 9 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 152039-42:
(8*1)+(7*5)+(6*2)+(5*0)+(4*3)+(3*9)+(2*4)+(1*2)=104
104 % 10 = 4
So 152039-42-4 is a valid CAS Registry Number.
152039-42-4Relevant articles and documents
Synthesis and structure determination of the first 1'-C-cyano-β-D-nucleosides
Uteza,Chen,Le Quan Tuoi,Descotes,Fenet,Grouiller
, p. 8579 - 8588 (2007/10/02)
The 1'-cyano-2',3'-D-unsaturated nucleoside 8 was synthesised according to the following steps. Photobromination of the ribofuranosyl cyanide 1 using N-bromosuccinimide (NBS) as a radical source gave the two isomers of the new C-1 gem disubstituted sugar
