75446-68-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 75446-68-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,4,4 and 6 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 75446-68:
(7*7)+(6*5)+(5*4)+(4*4)+(3*6)+(2*6)+(1*8)=153
153 % 10 = 3
So 75446-68-3 is a valid CAS Registry Number.
75446-68-3Relevant articles and documents
SYNTHESIS OF MACROCYCLIC COMPOUNDS THAT ARE CONDENSED WITH A PYRAZOLE RING
Gol'dfarb, Ya. L.,Taits, S. Z.,Krasnyanskaya, E. A.
, p. 711 - 713 (2007/10/02)
2-Carbethoxy--α-cyclothien-1-one, 2-carbethoxycyclopentadecanone, and 2,15-dicarbethoxy--α-cyclodithiene-1,14-dione were converted to 2-phenyl-1-methyl--α-cyclothienopyrazol-3-one, 2-phenyl-1-methyl-4,5-tridecamethylenepyrazol-3-one, a
