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66581-99-5

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66581-99-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 66581-99-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,6,5,8 and 1 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 66581-99:
(7*6)+(6*6)+(5*5)+(4*8)+(3*1)+(2*9)+(1*9)=165
165 % 10 = 5
So 66581-99-5 is a valid CAS Registry Number.

66581-99-5Relevant articles and documents

Flavone acetic acid derivatives, pharmaceutical composition thereof as well as preparation methods and applications of flavone acetic acid derivatives and pharmaceutical composition

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Paragraph 0118; 0119; 0120; 0121; 0122; 0123, (2017/01/02)

The invention belongs to the field of medication chemistry, and relates to flavone acetic acid derivatives, pharmaceutical composition thereof as well as preparation methods and applications of the flavone acetic acid derivatives and the pharmaceutical co

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