138175-62-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 138175-62-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,1,7 and 5 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 138175-62:
(8*1)+(7*3)+(6*8)+(5*1)+(4*7)+(3*5)+(2*6)+(1*2)=139
139 % 10 = 9
So 138175-62-9 is a valid CAS Registry Number.
138175-62-9Relevant articles and documents
A convenient access to 3-cyanoflavones
Lassagne, Frédéric,Pochat, Francis
, p. 9283 - 9285 (2007/10/03)
Reaction of β-bromo α-alkylthiocinnamonitriles with various substituted methyl salicylates followed by treatment with AlCl 3/PhNO2 provides 3-cyanoflavones.
