137415-33-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 137415-33-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,4,1 and 5 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 137415-33:
(8*1)+(7*3)+(6*7)+(5*4)+(4*1)+(3*5)+(2*3)+(1*3)=119
119 % 10 = 9
So 137415-33-9 is a valid CAS Registry Number.
137415-33-9Relevant articles and documents
Cyanil. Synthesis and Characterization of the Strongest Isolated Electron Acceptor and Its Reduced Forms
Vazquez, Carlos,Calabrese, Joseph C.,Dixon, David A.,Miller, Joel S.
, p. 65 - 81 (1993)
The strong acceptor tetracyano-1,4-benzoquinone, cyanil, Q N) at 2210 w and 2241 w cm-1; ν(C=O) at 1697 s cm-1 (CH2Cl2); ν(C=C) 1616 s cm-1 (Raman)>, as well as tetracyanohydrobenzoquinone, QH2 (2241 m and 2263 m cm
