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145219-44-9

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145219-44-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 145219-44-9 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 9 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 145219-44:
(8*1)+(7*4)+(6*5)+(5*2)+(4*1)+(3*9)+(2*4)+(1*4)=119
119 % 10 = 9
So 145219-44-9 is a valid CAS Registry Number.

145219-44-9Upstream product

145219-44-9Downstream Products

145219-44-9Relevant 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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