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98557-97-2

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98557-97-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 98557-97-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,5,5 and 7 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 98557-97:
(7*9)+(6*8)+(5*5)+(4*5)+(3*7)+(2*9)+(1*7)=202
202 % 10 = 2
So 98557-97-2 is a valid CAS Registry Number.

98557-97-2Relevant articles and documents

New Approach to 1,4-Benzoxazin-3-ones by Electrochemical C?H Amination

Wesenberg, Lars Julian,Herold, Sebastian,Shimizu, Akihiro,Yoshida, Jun-Ichi,Waldvogel, Siegfried R.

supporting information, p. 12096 - 12099 (2017/09/13)

1,4-Benzoxazin-3-ones are important structural motifs in natural products and bioactive compounds. Usually, the synthesis of benzoxazinones requires transition-metal catalysts and pre-functionalized substrates such as aryl halides. However, the anodic C?H

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