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188123-56-0

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188123-56-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 188123-56-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,8,1,2 and 3 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 188123-56:
(8*1)+(7*8)+(6*8)+(5*1)+(4*2)+(3*3)+(2*5)+(1*6)=150
150 % 10 = 0
So 188123-56-0 is a valid CAS Registry Number.

188123-56-0Downstream Products

188123-56-0Relevant articles and documents

Medicinal thiophene compounds

-

, (2008/06/13)

A method of treating tumor including administering to a subject an effective amount of a compound of the following formula: STR1 wherein m is 1-4; and each of A and B, independently, is H, C1-7 alkyl, C2-7 alkenyl, C2-7 alkynyl, (CH2)n CHO, (CH2)o COOH, C1-7 alkoxy, C2-7 alkoxyalkyl, C1-7 hydroxyalkyl, CN, NO2, halogen, CH(OR1)2, CO.R1, NR2 R3 or its acid salt, CO.NR2 R3, CHR1 NR2 R3 or its acid salt, CH=NR2, C CR4, CR1 =CR5 R6, CO.CH=CHR7, CH=CHR8, or COOR9 ; in which each of n and o, independently, is 0-4; R1 is C1-4 alkyl or C1-4 acyl; each of R2 and R3, independently, is H, C1-4 alkyl, or C1-4 hydroxyalkyl; R4 is H, C1-4 alkyl, C2-4 alkenyl, COR2, COOR10, C1-4 hydroxyalkyl or its acid ester or 2-tetrahydropyranyl ether, C1-4 dihydroxyalkyl or its acid ester or 2-tetrahydropyranyl ether, C1-4 halogenated alkyl; OR1, or NHR7 ; each of R5 and R6, independently, is H, CHO, COR1, COOH, COOR9, CN, or halogen; R7 is H, C1-4 alkyl, 2-thienyl, phenyl, mono-substituted phenyl, or di-substituted phenyl; R8 is COOR2, CO.CHO, C1-4 hydroxyalkyl or its acid ester or 2-tetrahydropyranyl ether; and R9 is H, C1-4 alkyl, phenyl, mono-substituted phenyl, di-substituted phenyl, or 2-thienyl.

Medicinal thiophene compounds

-

, (2008/06/13)

A method of treating inflammation including administering to a subject an effective amount of a compound of the following formula: STR1 wherein m is 1-4; and each of A and B, independently, is H, C1-7 alkyl, C2-7 alkenyl, C2-7 alkynyl, (CH2)n CHO, (CH2)o COOH, C1-7 alkoxy, C2-7 alkoxyalkyl, C1-7 hydroxyalkyl, CN, NO2, halogen, CH(OR1)2, CO.R1, NR2 R3 or its acid salt, CO.NR2 R3, CHR1 NR2 R3 or its acid salt, CH=NR2, C CR4, CR1 =CR5 R6, CO.CH=CHR7, CH=CHR8, or COOR9 ; in which each of n and o, independently, is 0-4; R1 is C1-4 alkyl or C1-4 acyl; each of R2 and R3, independently is H, C1-4 alkyl, or C1-4 hydroxyalkyl; R4 is H, C1-4 alkyl, C2-4 alkenyl, COR2, COOR10, C1-4 hydroxyalkyl or its acid ester or 2-tetrahydropyranyl ether, C1-4 dihydroxyalkyl or its acid ester or 2-tetrahydropyranyl ether, C1-4 halogenated alkyl; OR1, NHR7 ; each of R5 R6, independently, is H, CHO, COR1, COOH, COOR9, CN, or halogen; R7 is H, C1-4 alkyl, 2-thienyl, phenyl, mono-substituted phenyl, or di-substituted phenyl; R8 is COOR2, CO.CHO, C1-4 hydroxyalkyl or its acid ester or 2-tetrahydropyranyl ether; and R9 is H, C1-4 alkyl, phenyl, mono-substituted phenyl, di-substituted phenyl, or 2 -thienyl.

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