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679843-87-9

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679843-87-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 679843-87-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,7,9,8,4 and 3 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 679843-87:
(8*6)+(7*7)+(6*9)+(5*8)+(4*4)+(3*3)+(2*8)+(1*7)=239
239 % 10 = 9
So 679843-87-9 is a valid CAS Registry Number.

679843-87-9Relevant articles and documents

Quinazolin-4-one derivatives

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Page/Page column 31, (2010/11/24)

A medicament having an inhibitory activity against hematopoietic prostaglandin D2 synthase, which comprises as an active ingredient a compound represented by the following general formula (I) or a salt thereof: wherein X represents a group represented by the formula —N═C(R5)— or the formula —NH—CH(R5)—, R1, R2, R3, and R4 represent a hydrogen atom, a halogen atom, a C1 to C6 alkyl group, or a hydroxy group, R5 represents a C1 to C6 alkyl group or a C6 to C10 aryl group, and R represents an amino group.

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