306739-72-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 306739-72-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,6,7,3 and 9 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 306739-72:
(8*3)+(7*0)+(6*6)+(5*7)+(4*3)+(3*9)+(2*7)+(1*2)=150
150 % 10 = 0
So 306739-72-0 is a valid CAS Registry Number.
306739-72-0Relevant articles and documents
A new route to 2,3,5,6-tetrafluoroterephthal aldehyde and its chemical transformation
Zhu, Shizheng,Zhao, Jingwei,Cai, Xian
, p. 451 - 454 (2007/10/03)
The title compound was prepared from commercial available and cheaper starting material terephthalolyl chloride by six-step reaction sequence in total 40% yield. Its chemical transformations were also studied.