73521-69-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 73521-69-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,5,2 and 1 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 73521-69:
(7*7)+(6*3)+(5*5)+(4*2)+(3*1)+(2*6)+(1*9)=124
124 % 10 = 4
So 73521-69-4 is a valid CAS Registry Number.
73521-69-4Relevant articles and documents
Carbapenum derivatives, a process for their preparation and their use in pharmaceutical compositions and intermediates
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, (2008/06/13)
The present invention provides antibiotic compounds of the formula: STR1 and salts and cleavable esters thereof wherein X is a SCH2 CH2 NH2 or YNH-COCH3 group where Y is a SCH2 CH2, trans -
