103811-70-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 103811-70-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,8,1 and 1 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 103811-70:
(8*1)+(7*0)+(6*3)+(5*8)+(4*1)+(3*1)+(2*7)+(1*0)=87
87 % 10 = 7
So 103811-70-7 is a valid CAS Registry Number.
103811-70-7Relevant articles and documents
1,4-Benzoquinones with styryl substituents
Brehm, Isabella,Hinneschiedt, Sabine,Meier, Herbert
, p. 3162 - 3170 (2002)
2-Styryl-1,4-benzoquinone (1) and compounds 2 and 3 containing 1 as a substructure all proved to be highly reactive towards thermal or photochemical [4π + 2π] cyclodimerization reactions. Chemo-, regio- and stereoselective processes lead to dimers (compou