143728-45-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 143728-45-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,7,2 and 8 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 143728-45:
(8*1)+(7*4)+(6*3)+(5*7)+(4*2)+(3*8)+(2*4)+(1*5)=134
134 % 10 = 4
So 143728-45-4 is a valid CAS Registry Number.
143728-45-4Relevant articles and documents
Synthesis of 6-hydroxy-L-daunosamine and L-daunosamine derivatives
Daley, Laurent,Roger, Pierre,Monneret, Claude
, p. 25 - 48 (2007/10/03)
Methyl 3-trifluoroacetamido-2,3-dideoxy-α-L-lyxo-hexopyranoside (19) has been synthesized from D-glucose derivatives following two pathways. The first one involving 1,2:5,6-di-O-isopropylidene-α-D-glucopyranose as starting material is mainly based upon az