111887-68-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 111887-68-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,1,8,8 and 7 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 111887-68:
(8*1)+(7*1)+(6*1)+(5*8)+(4*8)+(3*7)+(2*6)+(1*8)=134
134 % 10 = 4
So 111887-68-4 is a valid CAS Registry Number.
111887-68-4Relevant articles and documents
Process for the preparation of fluorinated heterocyclic compounds
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, (2008/06/13)
A method of fluorinating a heterocyclic organic compound comprises the step of reacting a heterocyclic compound with elemental fluorine in the presence of another halogen. The reaction may be conducted in the presence of a base.