1439388-09-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1439388-09-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,3,9,3,8 and 8 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1439388-09:
(9*1)+(8*4)+(7*3)+(6*9)+(5*3)+(4*8)+(3*8)+(2*0)+(1*9)=196
196 % 10 = 6
So 1439388-09-6 is a valid CAS Registry Number.
1439388-09-6Relevant articles and documents
An aquatic pseudo-four-component reaction for the synthesis of highly substituted thiophenes
Zali-Boeini, Hassan,Ghani, Maryam
, p. 913 - 918 (2013/05/08)
A novel and simple procedure was developed for the construction of fully substituted thiophenes. A series of α-haloacetophenone derivatives were converted into fully substituted thiophenes by treatment with sodium sulfide in the presence of 1,8-diazabicyc
