873955-90-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 873955-90-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,3,9,5 and 5 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 873955-90:
(8*8)+(7*7)+(6*3)+(5*9)+(4*5)+(3*5)+(2*9)+(1*0)=229
229 % 10 = 9
So 873955-90-9 is a valid CAS Registry Number.
873955-90-9Relevant articles and documents
A new hydrogen-bonding motif with constituents bearing donor and acceptor sites 7 ? apart
Heinze, Katja,Reinhart, Anja
, p. 758 - 761 (2005)
Aryl substituted dipyrromethanes [di(pyrrol-2-yl)-phenyl-methanes] with hydrogen acceptor substituents R in para position of the aryl ring [R = CO 2Me, CO2H, CONH(iPr) and NH2] located 7 ? apart from the hydrogen donor pyr
