443307-18-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 443307-18-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,3,3,0 and 7 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 443307-18:
(8*4)+(7*4)+(6*3)+(5*3)+(4*0)+(3*7)+(2*1)+(1*8)=124
124 % 10 = 4
So 443307-18-4 is a valid CAS Registry Number.
443307-18-4Relevant articles and documents
Arylated pyridines: Suzuki reactions of O-substituted 2,6-dihalogenated-3-hydroxypyridines
Chapman, Glen M.,Stanforth, Stephen P.,Tarbit, Brian,Watson, Michael D.
, p. 581 - 582 (2002)
2-Bromo-6-iodo-3-methoxypyridine 5b yielded mono-arylated derivatives 6b-9b and teraryls 10b-14b in selective Suzuki reactions.
