90898-90-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90898-90-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,8,9 and 8 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 90898-90:
(7*9)+(6*0)+(5*8)+(4*9)+(3*8)+(2*9)+(1*0)=181
181 % 10 = 1
So 90898-90-1 is a valid CAS Registry Number.
InChI:InChI=1/C12H15N5O6S/c1-5-8(11(21)17(5)23-3-7(18)19)15-10(20)9(16-22-2)6-4-24-12(13)14-6/h4-5,8H,3H2,1-2H3,(H2,13,14)(H,15,20)(H,18,19)/b16-9-/t5-,8?/m0/s1
90898-90-1Relevant articles and documents
2-oxoazetidin-1-yloxy acetic acids and analogs
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, (2008/06/13)
Antibiotic activity is exhibited by β-lactams having an STR1 substituent (and analogs thereof) in the 1-position and an acylamino substituent in the 3-position.