207236-07-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 207236-07-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,7,2,3 and 6 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 207236-07:
(8*2)+(7*0)+(6*7)+(5*2)+(4*3)+(3*6)+(2*0)+(1*7)=105
105 % 10 = 5
So 207236-07-5 is a valid CAS Registry Number.
207236-07-5Relevant articles and documents
Dodecasubstituted metallochlorins (metallodihydroporphyrins)
Shea, Kalyn M.,Jaquinod, Laurent,Khoury, Richard G.,Smith, Kevin M.
, p. 759 - 760 (1998)
Regioseleclive bromination of 2-nitro-5,10,15,20-tetra-phenylporphyrin, cyclopropa[b]chlorins, or trans-bis-(dicyanomethyl)chlorms occurs in the pyrrole subunit opposite the substituted ring; exhaustive bromination of functionalized tetraphenylchlorins pr