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120890-74-6

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120890-74-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 120890-74-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,0,8,9 and 0 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 120890-74:
(8*1)+(7*2)+(6*0)+(5*8)+(4*9)+(3*0)+(2*7)+(1*4)=116
116 % 10 = 6
So 120890-74-6 is a valid CAS Registry Number.

120890-74-6Downstream Products

120890-74-6Relevant articles and documents

Regioselective copper-catalyzed C-N and C-S bond formation using amines, thiols and halobenzoic acids

Liu, Shuanglong,Pestano, John Paul C.,Wolf, Christian

, p. 3519 - 3527 (2008/09/19)

A regioselective method for highly efficient C-N and C-S bond formation with 2-halobenzoic acids is described. The Cu/Cu2O-catalyzed reaction is carried out in 2-ethoxyethanol or ethylene glycol diethyl ether and does not require the use of strong base or other additives. This procedure eliminates the need for acid protection, tolerates a wide range of functional groups and provides aromatic and aliphatic amines and sulfides in 81-99% yield. Georg Thieme Verlag Stuttgart.

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