850374-15-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 850374-15-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,0,3,7 and 4 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 850374-15:
(8*8)+(7*5)+(6*0)+(5*3)+(4*7)+(3*4)+(2*1)+(1*5)=161
161 % 10 = 1
So 850374-15-1 is a valid CAS Registry Number.
850374-15-1Relevant articles and documents
Regioselective synthesis of oxepin- and oxocin-annulated 2-quinolones
Chattopadhyay, Shital K.,Dey, Rajat,Biswas, Suman
, p. 403 - 406 (2005)
A synthetic strategy based on tandem Claisen rearrangement and ring-closing metathesis was developed for the regioselective synthesis of some hitherto unknown oxepin- and oxocin-annulated 2-quinolones. Georg Thieme Verlag Stuttgart.