68898-25-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 68898-25-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,8,8,9 and 8 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 68898-25:
(7*6)+(6*8)+(5*8)+(4*9)+(3*8)+(2*2)+(1*5)=199
199 % 10 = 9
So 68898-25-9 is a valid CAS Registry Number.
68898-25-9Relevant articles and documents
Stereoselective synthesis of electrophilic spirocyclopropanes in ionic liquids
Calo,Nacci,Lopez,Lerario
, p. 8977 - 8980 (2007/10/03)
The reaction of β-oxosulfides of benzothiazole with Michael acceptors, in liquid tetrabutylammonium bromide and sodium bicarbonate as base, allows a stereoselective synthesis of spirocyclopropanes. (C) 2000 Elsevier Science Ltd.
