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1251843-31-8

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1251843-31-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1251843-31-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,1,8,4 and 3 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1251843-31:
(9*1)+(8*2)+(7*5)+(6*1)+(5*8)+(4*4)+(3*3)+(2*3)+(1*1)=138
138 % 10 = 8
So 1251843-31-8 is a valid CAS Registry Number.

1251843-31-8Relevant articles and documents

ISOXAZOL-3(2H)-ONE ANALOGS AS THERAPEUTIC AGENTS

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Page/Page column 18, (2010/11/03)

or a pharmaceutically suitable salt thereof, wherein, R1 and R2 independently are hydrogen, deuterium, aryl, hetero aryl, C1-C8 alkyl, optionally being substituted with one or more substituents independently being R3,R3 is an aryl, hetero aryl, fluorine(s), a C1-C6 alkyl containing one or more fluorine, a C1-C6 alkyl containing one or more deuterium, a C1-C6 alkyl containing hydroxy, the aryl and heteroaryl optionally being substituted with one or more halogen, a fluorinated alkoxy, a fluorinated alkyl, a sulfonyl, one or more deuterium, a C1-6 alkyl, a C1-6 alkoxy, a nitrile,or R3 is a C1-6 alkyl optionally substituted with one or more of the following groups: COOR4, OCOR4, CONR5R6, NR5COR6, OR4;wherein, R4 is a C1-10 alkyl optionally substituted with one or more fluorine, deuterium, alkoxy, arylcarboxylate, alkyl carboxylate;R5 and R6 are independently selected from hydrogen, alkyl or they may together form a 4-8 membered carbon ring;or R1 and R2 form a 3-10 membered carbon ring optionally comprising O or N and optionally substituted with a C1-10 alkyl or aryl, hetero aryl optionally substituted with R3.

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