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23928-52-1

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23928-52-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 23928-52-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,9,2 and 8 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 23928-52:
(7*2)+(6*3)+(5*9)+(4*2)+(3*8)+(2*5)+(1*2)=121
121 % 10 = 1
So 23928-52-1 is a valid CAS Registry Number.

23928-52-1Downstream Products

23928-52-1Relevant articles and documents

SUBSTITUTED (PHTHALAZIN-1-YLMETHYL)UREAS, SUBSTITUTED N-(PHTHALAZIN-1-YLMETHYL)AMIDES, AND ANALOGUES THEREOF

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Page/Page column 100; 113, (2021/12/31)

The present invention relates to certain (phthaxazin-1-ylmethyl) ureas, N-(phthalazin-1-ylmethyl)substituted amides and analogues thereof, and compositions comprising them, which can be used to treat or prevent infections with hepatitis B virus (HBV) and / or hepatitis D virus (HDV) in a patient.

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