78578-75-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 78578-75-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,5,7 and 8 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 78578-75:
(7*7)+(6*8)+(5*5)+(4*7)+(3*8)+(2*7)+(1*5)=193
193 % 10 = 3
So 78578-75-3 is a valid CAS Registry Number.
78578-75-3Relevant articles and documents
2-BENZOPYRYLIUM SALTS. 24. SYNTHESIS AND REACTIONS OF 3-(2-METHYLENECARBOXYARYL)-2-BENZOPYRYLIUM SALTS WITH AMINES
Shcherbakova, I. V.,Dorofeenko, G. N.,Kuznetsov, E. V.
, p. 221 - 224 (1981)
5-Oxoniachrysene and N-methylisoquinolinium perchlorates and substituted 1-naphthylamines were synthesized on the basis of 1-R-3-(2-methylenecarboxyaryl)-2-benzopyrylium salts.