137998-45-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 137998-45-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,9,9 and 8 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 137998-45:
(8*1)+(7*3)+(6*7)+(5*9)+(4*9)+(3*8)+(2*4)+(1*5)=189
189 % 10 = 9
So 137998-45-9 is a valid CAS Registry Number.
137998-45-9Relevant academic research and scientific papers
Liquid crystal compound
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, (2008/06/13)
An optically active liquid crystal compound which is represented by the formula: STR1 wherein R1 and R2 each represents an alkyl or aralkyl group of 4-18 carbon atoms, R3 represents a haloalkyl group, X represents O, COO,
