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628331-20-4

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628331-20-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 628331-20-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,2,8,3,3 and 1 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 628331-20:
(8*6)+(7*2)+(6*8)+(5*3)+(4*3)+(3*1)+(2*2)+(1*0)=144
144 % 10 = 4
So 628331-20-4 is a valid CAS Registry Number.

628331-20-4Relevant articles and documents

ARYLALKANOIC ACID DERIVATIVE

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Page/Page column 101-102, (2010/11/08)

A compound represented by the general formula (I): [wherein Ar represents an optionally substituted aromatic ring; Xa, Xc, Ya, Yc, Z1, and Z2 each represents a bond, O, S, -CO-, -CS-, -CR3(OR4)-, -NR5-, -SO-, -SO2-, -CONR6-, or -NR6CO- (R3, R4, R5, and R6 are as defined in the description); Xb and Yb each represents a bond or a C1-20 divalent hydrocarbon group; R1 represents an optionally substituted hydrocarbon group; ring A represents an aromatic ring (other than benzimidazole) which may be further substituted; n is an integer of 1-8; ring B represents an aromatic ring (other than oxazole) which may be further substituted; W represents a C1-20 divalent saturated hydrocarbon group; and R2 represents -OR8 or -NR9R10 (R8, R9, and R10 are as defined in the description)] or a salt of the compound. It is useful as a preventive/therapeutic agent for diabetes, etc.

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