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4133-77-1

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4133-77-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4133-77-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,1,3 and 3 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 4133-77:
(6*4)+(5*1)+(4*3)+(3*3)+(2*7)+(1*7)=71
71 % 10 = 1
So 4133-77-1 is a valid CAS Registry Number.

4133-77-1Relevant articles and documents

Dryopteris fragrans phloroglucinol compound flavaspidic acid BB and antibacterial application thereof

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, (2018/05/24)

The invention relates to the technical field of medicine and discloses an antibacterial application of a Dryopteris fragrans phloroglucinol compound flavaspidic acid BB. The invention provides the flavaspidic acid BB obtained by the chemical synthesis method. The flavaspidic acid BB has good antibacterial effects, effectively fills in the application deficiency of the antibacterial natural compound and provides an effective antibacterial solution for drug-resistant bacteria. The experimental results show that the compound has a strong antibacterial effect and good curative effects especially on drug-resistant bacteria.

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