97846-21-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 97846-21-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,8,4 and 6 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 97846-21:
(7*9)+(6*7)+(5*8)+(4*4)+(3*6)+(2*2)+(1*1)=184
184 % 10 = 4
So 97846-21-4 is a valid CAS Registry Number.
97846-21-4Relevant articles and documents
Method and reagents for N-alkylating ureides
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, (2008/06/13)
A method of N-alkoxyalkylating ureides according to the invention comprises reacting a ureide of structure I with an alkylating agent of structure III in the presence of a basic catalyst in an aprotic reaction medium. The ureide may be a 5,5-disubstituted