138824-20-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 138824-20-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,8,2 and 4 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 138824-20:
(8*1)+(7*3)+(6*8)+(5*8)+(4*2)+(3*4)+(2*2)+(1*0)=141
141 % 10 = 1
So 138824-20-1 is a valid CAS Registry Number.
138824-20-1Relevant articles and documents
Mesomorphic compound, liquid crystal composition containing same, liquid crystal device using same and display apparatus
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, (2008/06/13)
A mesomorphic compound represented by the following formula (I): wherein R1 denotes an alkyl group having 1 - 18 carbon atoms; R2 denotes an alkyl group having 1 - 12 carbon atoms; A and B respectively denote Z1 and Z2 respectively denote -H, -CH3/s