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881780-02-5

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881780-02-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 881780-02-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,8,1,7,8 and 0 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 881780-02:
(8*8)+(7*8)+(6*1)+(5*7)+(4*8)+(3*0)+(2*0)+(1*2)=195
195 % 10 = 5
So 881780-02-5 is a valid CAS Registry Number.

881780-02-5Relevant articles and documents

Copper-catalyzed intramolecular oxidative C-H functionalization and C-N formation of 2-aminobenzophenones: Unusual pseudo-1,2-shift of the substituent on the aryl ring

Huang, Pang-Chi,Parthasarathy, Kanniyappan,Cheng, Chien-Hong

supporting information, p. 460 - 464 (2013/02/23)

A good move: A copper-catalyzed intramolecular oxidative C-H functionalization of 2-aminobenzophenone affords two regioisomeric acridones (see scheme). The reaction involves an unusual pseudo-1,2-migration of R 2 group(s) on the arene ring (bpy=2,2-bipyridine, DMAc=dimethylacetimide). Copyright

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