140934-44-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 140934-44-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,0,9,3 and 4 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 140934-44:
(8*1)+(7*4)+(6*0)+(5*9)+(4*3)+(3*4)+(2*4)+(1*4)=117
117 % 10 = 7
So 140934-44-7 is a valid CAS Registry Number.
140934-44-7Relevant articles and documents
SYNTHESIS OF 7-SUBSTITUTED INDOLOQUINOLINE DERIVATIVES
Chang, Ming-rong,Takeuchi, Yasuo,Hashigaki, Kuniko,Yamato, Masatoshi
, p. 147 - 152 (2007/10/02)
Indoloquinoline derivatives (7b-j> having the substituent, such as a nitro, amino, methyl, halogen, methoxy, or hydroxy group were prepared by three methods.