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80447-97-8

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80447-97-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 80447-97-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,4,4 and 7 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 80447-97:
(7*8)+(6*0)+(5*4)+(4*4)+(3*7)+(2*9)+(1*7)=138
138 % 10 = 8
So 80447-97-8 is a valid CAS Registry Number.

80447-97-8Downstream Products

80447-97-8Relevant articles and documents

Direct Selenation of Electron-Rich Aromatic Compounds with (Phenylseleno)dimethylsulfonium Tetrafluoroborate

Gassman, Paul G.,Miura, Asako,Miura, Takashi

, p. 951 - 954 (1982)

(Phenylseleno)dimethylsulfonium tetrafluoroborate was found to be a highly reactive selenating agent for electron-rich aromatic compounds such as aromatic amines, phenols, and aromatic ethers.Reaction took place readily at 0-25 deg C to give ca. 50percent yields of substitution para to the activating substituent.In general, anilines gave better yields then anisoles or phenols.

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