128049-50-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 128049-50-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,0,4 and 9 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 128049-50:
(8*1)+(7*2)+(6*8)+(5*0)+(4*4)+(3*9)+(2*5)+(1*0)=123
123 % 10 = 3
So 128049-50-3 is a valid CAS Registry Number.
128049-50-3Relevant articles and documents
Enzymatic preparation of an optically active precursor of the CC-1065/duocarmycin pharmacophore
Chenevert, Robert,Courchesne, Gabriel
, p. 11 - 12 (1997)
Acetylation of 2-[4-(benzyloxy)-2-nitrophenyl]propane-1,3-diol with vinyl acetate in the presence of porcine pancreatic lipase gave the (R)-mono-acetate (ee = 92%). The (S)-mono-acetate was obtained via acetylation of the diol followed by transesterificat