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145218-92-4

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145218-92-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 145218-92-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,5,2,1 and 8 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 145218-92:
(8*1)+(7*4)+(6*5)+(5*2)+(4*1)+(3*8)+(2*9)+(1*2)=124
124 % 10 = 4
So 145218-92-4 is a valid CAS Registry Number.

145218-92-4Downstream Products

145218-92-4Relevant articles and documents

Carbapenem antibiotic compounds

-

, (2008/06/13)

A carbapenem compound of the formula (I) STR1 wherein: R1 is 1-hydroxyethyl, 1-fluoroethyl or hydroxymethyl; R2 is hydrogen or C1-4 alkyl; R3 is hydrogen or C1-4 alkyl; R4 is hydroxy or carboxy; and the phenyl ring is optionally further substituted by one or two substituents selected from halo, cyano, C1-4 alkyl, nitro, hydroxy, carboxy, C1-4 alkoxy, trifluoromethyl, C1-4 alkoxycarbonyl, carbamoyl, C1-4 alkylcarbamoyl, di-C1-4 alkylcarbamoyl, amino, C1-4 alkylamino, di-C1-4 alkylamino sulphonic acid, C1-4 alkylS(O)n --(wherein n is 0-2), N-C1-4 alkanesulphonamido, C1-4 alkanoylamino and C1-4 alkanoyl(N-C1-4 alkyl)amino: provided that the phenyl ring is substituted by at least one carboxy; or a pharmaceutically acceptable salt or in vivo hydrolysable ester thereof.

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