13756-48-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 13756-48-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,7,5 and 6 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 13756-48:
(7*1)+(6*3)+(5*7)+(4*5)+(3*6)+(2*4)+(1*8)=114
114 % 10 = 4
So 13756-48-4 is a valid CAS Registry Number.
InChI:InChI=1/C5H8N2O2/c1-2-9-5(8)7-4-3-6/h2,4H2,1H3,(H,7,8)
13756-48-4Relevant articles and documents
Process for producing 1-substituted-hydantoins
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, (2008/06/13)
The subject is to provides a process for producing 1-substituted-hydantoins of Formula I: STR1 wherein R1 represents d hydrocarbon group which may be substituted and others, cheracterized by reacting N-sustituted-N-alkcycarbonylamnilo-acetonitrile of Formula II: STR2 wherein R2 represents an alkyl group and others, with an alkali metal hydroxides or the like and then treating with an acid.