128298-87-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 128298-87-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,2,9 and 8 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 128298-87:
(8*1)+(7*2)+(6*8)+(5*2)+(4*9)+(3*8)+(2*8)+(1*7)=163
163 % 10 = 3
So 128298-87-3 is a valid CAS Registry Number.
128298-87-3Relevant articles and documents
PREPARATION OF ENANTIOMERICALLY PURE 3-ENDO-SULFONYLMETHYL SUBSTITUTED BICYCLOHEPTANE-2-ENDO-CARBOXYLIC ACIDS
Metz, P.
, p. 7311 - 7316 (1989)
Both enantiomers of title acids 5 were synthesized from mono-ester rac-1.An alternative approach via PLE catalyzed hydrolysis of a meso diester is described too.