889135-51-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 889135-51-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,8,9,1,3 and 5 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 889135-51:
(8*8)+(7*8)+(6*9)+(5*1)+(4*3)+(3*5)+(2*5)+(1*1)=217
217 % 10 = 7
So 889135-51-7 is a valid CAS Registry Number.
889135-51-7Relevant articles and documents
METHOD FOR PREPARING HEXAHYDRO-8-HYDROXY-2,6-METHANO-2H-CHINOLIZIN-3(4H)-ONE ESTERS
-
Page/Page column 9-10, (2008/06/13)
The invention concerns a method for preparing optionally substituted 3-indolcarboxylic acid esters, with hexahydro-8-hydroxy-2,6-methano-2H-chinolizin-3(4H)-one. The invention is characterized in that the optionally substituted 3-indolcarboxylic acid is c