23965-02-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 23965-02-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,9,6 and 5 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 23965-02:
(7*2)+(6*3)+(5*9)+(4*6)+(3*5)+(2*0)+(1*2)=118
118 % 10 = 8
So 23965-02-8 is a valid CAS Registry Number.
23965-02-8Relevant articles and documents
Process for the preparation of quinazoline-2,4-diones
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, (2008/06/13)
Quinazoline-2,4-diones are obtained in high yields and purities by reacting anthranilic acids with isocyanates and then, without isolation of the urea formed as intermediate, treating the reaction mixture with acid.
