75262-18-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 75262-18-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,2,6 and 2 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 75262-18:
(7*7)+(6*5)+(5*2)+(4*6)+(3*2)+(2*1)+(1*8)=129
129 % 10 = 9
So 75262-18-9 is a valid CAS Registry Number.
75262-18-9Relevant articles and documents
REACTION DES TOSYLHYDRAZONES-COBALT(III)PORPHYRINES; SYNTHESE D'α-STYRYLCOBALT(III)PORPHYRINES
Callot, H.J.,Schaeffer, E.
, p. 111 - 116 (2007/10/02)
The reactions of tosylhydrazones of aryl alkyl ketones with halocobalt(III)porphyrins give high yields of α-styrylcobalt(III)porphyrins.
