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89554-75-6

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89554-75-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 89554-75-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,5,5 and 4 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 89554-75:
(7*8)+(6*9)+(5*5)+(4*5)+(3*4)+(2*7)+(1*5)=186
186 % 10 = 6
So 89554-75-6 is a valid CAS Registry Number.

89554-75-6Relevant articles and documents

PHOTOCHEMICAL ACTIVATION OF METAL-CARBON BOND IN ZINC AND ALUMINIUM PORPHYRINS. SUBSTITUTION REACTION WITH HINDERED PHENOLS

Murayama, Hideki,Inoue, Shohei,Ohkatsu, Yasukazu

, p. 381 - 384 (1983)

Substitution reactions of N-methyltetraphenylporhinatozinc ethyl and tetraphenylporphinatoaluminium ethyl with hindered phenols such as 2,6-di-t-butyl-4-methylphenol and 2,6-di-t-butyl-4-methoxyphenol are accelerated dramatically by the irradiation with v

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