23851-81-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 23851-81-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,8,5 and 1 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 23851-81:
(7*2)+(6*3)+(5*8)+(4*5)+(3*1)+(2*8)+(1*1)=112
112 % 10 = 2
So 23851-81-2 is a valid CAS Registry Number.
23851-81-2Relevant articles and documents
SOME EXAMPLES OF 5,5-DIPHENYLHYDANTOIN ALKYLATION
Kiec-Kononowicz, Katarzyna,Zejc, Alfred
, p. 761 - 767 (2007/10/02)
The method of N1 and N3 alkylation of 5,5-diphenylhydantoin has been described for some examples.The synthesis of only N1 alkylated compound 11 has been accomplished with ethoxycarbonyl as the N3 protecting grou
