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1422963-57-2

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1422963-57-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1422963-57-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,2,9,6 and 3 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1422963-57:
(9*1)+(8*4)+(7*2)+(6*2)+(5*9)+(4*6)+(3*3)+(2*5)+(1*7)=162
162 % 10 = 2
So 1422963-57-2 is a valid CAS Registry Number.

1422963-57-2Downstream Products

1422963-57-2Relevant articles and documents

Regioselective ortho-hydroxylation of 2-arylbenzothiazole via substrate directed C-H activation

Banerjee, Arghya,Bera, Anupam,Guin, Srimanta,Rout, Saroj Kumar,Patel, Bhisma K.

, p. 2175 - 2183 (2013/03/14)

An efficient protocol has been developed for the direct ortho-hydroxylation of 2-arylbenzothiazole using Pd(OAc)2 as the catalyst and either of DIB/AcOH or Oxone/TFA combinations under air atmosphere. Under both these conditions, the methodology tolerates a diverse array of substituents giving good to excellent yields of corresponding ortho-hydroxylated products. Regioselective hydroxylation is observed at the less sterically hindered site of the phenyl ring possessing substituents at its meta position.

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