157866-05-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 157866-05-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,7,8,6 and 6 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 157866-05:
(8*1)+(7*5)+(6*7)+(5*8)+(4*6)+(3*6)+(2*0)+(1*5)=172
172 % 10 = 2
So 157866-05-2 is a valid CAS Registry Number.
InChI:InChI=1/C9H10Br2O2/c1-12-9(13-2)6-3-7(10)5-8(11)4-6/h3-5,9H,1-2H3
157866-05-2Relevant articles and documents
2-(aza-9-fluorenonyl)carbapenem antibacterial agents
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, (2008/06/13)
Carbapenems of the formula STR1 wherein a suitably substituted aza-9-fluorenone is attached at the 2-position of the carbapenem are useful antibacterial agents.