178258-62-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 178258-62-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,8,2,5 and 8 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 178258-62:
(8*1)+(7*7)+(6*8)+(5*2)+(4*5)+(3*8)+(2*6)+(1*2)=173
173 % 10 = 3
So 178258-62-3 is a valid CAS Registry Number.
178258-62-3Relevant academic research and scientific papers
Preparation of cyclic urea compounds
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, (2008/06/13)
This invention relates to the preparation of cyclic urea compounds. More specifically, this invention is directed to methods for selectively alkylating diamines, methods for selectively converting a mixture of alkylated and non-alkylated diamines to cycli