119389-21-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 119389-21-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,9,3,8 and 9 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 119389-21:
(8*1)+(7*1)+(6*9)+(5*3)+(4*8)+(3*9)+(2*2)+(1*1)=148
148 % 10 = 8
So 119389-21-8 is a valid CAS Registry Number.
119389-21-8Relevant articles and documents
6-beta(substituted)-(S)-hydroxymethylpenicillanic acids and derivatives thereof
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, (2008/06/13)
Antibacterial penicillins of the formula STR1 or a pharmaceutically acceptable salt thereof wherein R1 is a heterocyclic group and R is hydrogen, the residue of certian carboxy protecting groups or the residue of an ester group readily hydrolyzable in vivo having activity against resistant organisms.