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76039-58-2

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76039-58-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 76039-58-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,0,3 and 9 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 76039-58:
(7*7)+(6*6)+(5*0)+(4*3)+(3*9)+(2*5)+(1*8)=142
142 % 10 = 2
So 76039-58-2 is a valid CAS Registry Number.

76039-58-2Relevant articles and documents

Further studies on the cyclisation of 3-hydroxy-2'-nitrodiphenyl ethers and related compounds

Bird,Latif

, p. 1813 - 1816 (2007/10/02)

The reductive cyclisation of 4,6-dimethyl and 4,6-dichloro derivatives of 3-hydroxy-2'-nitrodiphenyl ethers has been examined as a potential route to 1H-phenoxazinones. Unexpectedly, cyclisation of the dichloro compound proceeded with loss of a Cl and yielded 2-chloro-3H-phenoxazin-3-one. The cyclisation of a range of analogous substrates has been investigated and shown to provide novel and convenient syntheses of 3-amino-phenoxazine, 3H-phenothiazin-3-one and 8-hydroxy-5,10-dihydro-11H-dibenzo[b,e][1,4]diazepin-11-one.

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