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854444-57-8

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854444-57-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 854444-57-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,4,4,4 and 4 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 854444-57:
(8*8)+(7*5)+(6*4)+(5*4)+(4*4)+(3*4)+(2*5)+(1*7)=188
188 % 10 = 8
So 854444-57-8 is a valid CAS Registry Number.

854444-57-8Relevant articles and documents

9-AMINOMETHYL SUBSTITUTED TETRACYCLINE COMPOUND

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, (2014/06/24)

The present invention relates to 9-aminomethyl substituted tetracycline compounds represented by formula (I), or pharmaceutically acceptable salt, prodrug, solvate or isomer thereof, as well as a method for preparing these compounds and a pharmaceutical composition comprising the same. The present invention relates also to a use of these compounds in the preparation of a medicament for the treatment and/or prophylaxis of tetracycline drug-sensitive disease. wherein, R2a, R2b, R3, R4a, R4b, R5, R6a, R6b, R7, R8, R9a, R9b, R10, R11, R12, R13a and R13b are each independently as defined in the description.

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