56526-87-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 56526-87-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,6,5,2 and 6 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 56526-87:
(7*5)+(6*6)+(5*5)+(4*2)+(3*6)+(2*8)+(1*7)=145
145 % 10 = 5
So 56526-87-5 is a valid CAS Registry Number.
56526-87-5Relevant articles and documents
A Regiocontrolled Annulation Approach to Highly Substituted Aromatic Compounds
Danheiser, Rick L.,Gee, Stephen K.
, p. 1672 - 1674 (2007/10/02)
The thermal combination of cyclobutenone derivatives with heterosubstituted acetylenes provides a regiocontrolled route to highly substitutted aromatic compounds