81698-09-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81698-09-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,6,9 and 8 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 81698-09:
(7*8)+(6*1)+(5*6)+(4*9)+(3*8)+(2*0)+(1*9)=161
161 % 10 = 1
So 81698-09-1 is a valid CAS Registry Number.
81698-09-1Relevant articles and documents
Nucleophilic attack on 2,1-benzisothiazolium salts
McKinnon, David M.,Duncan, K. Ann,Millar, Lesley M.
, p. 440 - 444 (2007/10/02)
2,1-benzisothiazolium salts react with several stabilized carbanions to give products that are derived by attack at the carbon atom of the heterocyclic ring.
