126403-52-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 126403-52-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,6,4,0 and 3 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 126403-52:
(8*1)+(7*2)+(6*6)+(5*4)+(4*0)+(3*3)+(2*5)+(1*2)=99
99 % 10 = 9
So 126403-52-9 is a valid CAS Registry Number.
126403-52-9Relevant articles and documents
A CONVENIENT ROUTE TO 1,2-DIBENYOZL-1-ARZLETHZLENES
Maitra, S.,Singh, R.,Sinha, A.,Lahiri, S.
, p. 2363 - 2370 (2007/10/02)
Short and convenient synthesis of 1,2-cis-dibenzoyl-1-arylethylenes 5a-e, 6 and 8a-d from the corresponding aryl ethers and dibenzoyl acetylene have been developed using boron trifluoride-etherate or aluminum chloride as catalyst.
