162934-28-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 162934-28-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,2,9,3 and 4 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 162934-28:
(8*1)+(7*6)+(6*2)+(5*9)+(4*3)+(3*4)+(2*2)+(1*8)=143
143 % 10 = 3
So 162934-28-3 is a valid CAS Registry Number.
162934-28-3Relevant articles and documents
Synthesis of β configured 2',3'-unsaturated pentopyranosyl nucleosides
Doboszewski,Blaton,Herdewijn
, p. 1321 - 1324 (2007/10/02)
Coupling of 3,4-di-O-p-nitrobenzoyl-D-xylal, with heterocyclic bases in boiling DMF in the absence of externally added acid catalyst constitutes a convenient way to β configured 2',3'-unsaturated pentopyranosyl nucleosides. Formation of the 3'-substituted