123834-11-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 123834-11-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,8,3 and 4 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 123834-11:
(8*1)+(7*2)+(6*3)+(5*8)+(4*3)+(3*4)+(2*1)+(1*1)=107
107 % 10 = 7
So 123834-11-7 is a valid CAS Registry Number.
123834-11-7Relevant articles and documents
Regioisomeric 6A,6X,6Y-Tri-O-sulfonylated β-Cyclodextrin
Fujita, Kahee,Tahara, Tsutomu,Koga, Toshitaka
, p. 821 - 824 (1989)
All of five regioisomeric 6A,6X,6Y-tri-O-(p-toluenesulfonyl)-β-cyclodextrins were prepared, isolated, and their structures were determined through a combination of the extended Koerner method, 3,6-anhydration, and the Taka amylase A-catalyzed hydrolysis.