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161830-29-1

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161830-29-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 161830-29-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,1,8,3 and 0 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 161830-29:
(8*1)+(7*6)+(6*1)+(5*8)+(4*3)+(3*0)+(2*2)+(1*9)=121
121 % 10 = 1
So 161830-29-1 is a valid CAS Registry Number.

161830-29-1Relevant articles and documents

Phenyl [...] compound and its preparation method, pharmaceutical composition, drug use (by machine translation)

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Paragraph 0506; 0507; 0510; 0511, (2016/10/27)

The invention provides a phenylurea coupling quinazoline compound or a pharmaceutically acceptable salt thereof represented by formula (I), wherein R1 represents H, represents Br, Cl or F, represents -CH3, -CH2-CH3, -CH2(CH3)2 or -CF3, represents -O-CH3, -O-CH2-CH3 or -O-CH2(CH3)2, or represents -C[triple bond]CH or -C[triple bond]N; n1 is 1, 2, 3, 4 or 5; one of R2 and R3 is a group represented by formula (II); R4 represents H, represents Br, Cl or F, represents -CH3, -CH2-CH3, -CH2(CH3)2 or -CF3, represents -O-CH3, -O-CH2-CH3 or -O-CH2(CH3)2, represents -NH2, or represents -NO2; n2 is 1, 2, 3, 4 or 5; and the other one of R2 and R3 represents H, -O-CH3, -O-CH2-CH3, -O-CH2(CH3)2, or the following groups.

QUINAZOLINE DERIVATIVES USEFUL FOR TREATMENT OF NEOPLASTIC DISEASE

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, (2008/06/13)

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