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27226-53-5

27226-53-5

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27226-53-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 27226-53-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,7,2,2 and 6 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 27226-53:
(7*2)+(6*7)+(5*2)+(4*2)+(3*6)+(2*5)+(1*3)=105
105 % 10 = 5
So 27226-53-5 is a valid CAS Registry Number.

27226-53-5Relevant articles and documents

Nonplanar porphyrins. X-ray structures of (2,3,7,8,12,13,17,18-octaethyl- and -octamethyl-5,10,15,20-tetraphenylporphinato)zinc(II)

Barkigia, Kathleen M.,Dolores Berber,Fajer, Jack,Medforth, Craig J.,Renner, Mark W.,Smith, Kevin M.

, p. 8851 - 8857 (1990)

X-ray structures of the peripherally crowded porphyrins, (2,3,7,8,12,13,17,18-octaethyl-5,10,15,20-tetraphenyl-porphinato)Zn(II)-3MeOH solvate (ZnOETPP-3MeOH) and (2,3,7,8,12,13,17,18-octamethyl-5,10,15,20-tetraphenyl-porphinato)Zn(II)- pyridine-2HCClsub

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