89087-23-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89087-23-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,0,8 and 7 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 89087-23:
(7*8)+(6*9)+(5*0)+(4*8)+(3*7)+(2*2)+(1*3)=170
170 % 10 = 0
So 89087-23-0 is a valid CAS Registry Number.
89087-23-0Relevant articles and documents
Synthesis and Characterization of Niobium(IV) Porphyrins. Formation and Spectroscopic Properties of Dioxygen Adducts of Niobium(IV) Porphyrins
Richard, Philippe,Guilard, Roger
, p. 1454 - 1455 (1983)
The niobium(IV) porphyrins NbIV(X)2(por) have been prepared from NbV(X)3(por) ; irreversible oxygenati
