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440112-18-5

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440112-18-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 440112-18-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,0,1,1 and 2 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 440112-18:
(8*4)+(7*4)+(6*0)+(5*1)+(4*1)+(3*2)+(2*1)+(1*8)=85
85 % 10 = 5
So 440112-18-5 is a valid CAS Registry Number.

440112-18-5Downstream Products

440112-18-5Relevant articles and documents

Directed deprotonation-transmetallation of 4-bromopyridine: Flexible routes to substituted pyridines

Karig, Gunter,Thasana, Nopporn,Gallagher, Timothy

, p. 808 - 810 (2002)

Halide-directed deprotonation and Li-Zn exchange of 4-bromopyridine 4 provides organozinc 6, which undergoes Pd-mediated coupling to give the 3-aryl-4-bromopyridines 7. Further substitution is achieved to provide the 3,4-disubstituted pyridines 8 and 9, a

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