103814-20-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 103814-20-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,8,1 and 4 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 103814-20:
(8*1)+(7*0)+(6*3)+(5*8)+(4*1)+(3*4)+(2*2)+(1*0)=86
86 % 10 = 6
So 103814-20-6 is a valid CAS Registry Number.
103814-20-6Relevant articles and documents
A complete set of β-cyclodextrins 6(A),6(X)-diactivated by two different sulfonyl groups
Fujita,Yamamura,Imoto
, p. 6737 - 6740 (2007/10/02)
Each of 6(A)-0-(p-nitrobenzenesulfonyl)-6(X)-O-(β-naphthalenesu lfonyl)-β-cyclodextrins (X=B-G) was prepared by the reaction of 6-O-(β-naphthalenesulfonyl)-β-cyclodextrin with p-nitrobenzenesulfonyl chloride, isolated, and structurally determined through