891-30-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 891-30-5 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 8,9 and 1 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 891-30:
(5*8)+(4*9)+(3*1)+(2*3)+(1*0)=85
85 % 10 = 5
So 891-30-5 is a valid CAS Registry Number.
891-30-5Relevant articles and documents
SYNTHESE UND EIGENSCHAFTEN VON ORTHO-VERBRUCKTEN DIARYLCYCLOPROPENONEN
Eicher, Theophil,Pielartzik, Harald,Zacheus, Peter
, p. 4495 - 4498 (2007/10/02)
A series of ortho-bridged diaryl cyclopropenones is prepared by straightforward synthetic pathways.The spectroscopic and chemical propeties of the new cyclopropenones are reported.
