139091-99-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 139091-99-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,0,9 and 1 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 139091-99:
(8*1)+(7*3)+(6*9)+(5*0)+(4*9)+(3*1)+(2*9)+(1*9)=149
149 % 10 = 9
So 139091-99-9 is a valid CAS Registry Number.
139091-99-9Relevant articles and documents
SYNTHESIS AND LIQUID-CRYSTALLINE PROPERTIES OF PYRANS
Murza, M.M.,Safarov, M.G.
, p. 771 - 772 (2007/10/02)
4-Alkoxy-N-phenylcarbamoylmethyloxybenzylidene>anilines are synthesized.They exhibit properties of smectic and nematic liquid crystals.