221297-56-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 221297-56-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,1,2,9 and 7 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 221297-56:
(8*2)+(7*2)+(6*1)+(5*2)+(4*9)+(3*7)+(2*5)+(1*6)=119
119 % 10 = 9
So 221297-56-9 is a valid CAS Registry Number.
221297-56-9Relevant articles and documents
Substituted cyclic compounds and mixtures comprising same
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, (2008/06/13)
Novel chemical compounds and mixtures of same are provided having antibacterial and other utilities. The mixtures preferably are formed by reacting a cyclic scaffold moiety with a set of chemical substituients. Libraries formed in accordance with the inve