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33733-00-5

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33733-00-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 33733-00-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,7,3 and 3 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 33733-00:
(7*3)+(6*3)+(5*7)+(4*3)+(3*3)+(2*0)+(1*0)=95
95 % 10 = 5
So 33733-00-5 is a valid CAS Registry Number.

33733-00-5Relevant articles and documents

Chemistry of 2-Methoxy-2,5-cyclohexadienones. III. Syntheses of 2-Methoxy-4,4-diphenyl-2,5-cyclohexadienone and 4-Dichloromethyl-2-methoxy-4-methyl-2,5-cyclohexadienone

Matoba, Katsuhide,Kawagoshi, Fujiko,Yamazaki, Takao

, p. 4721 - 4725 (2007/10/02)

2-Methoxy-4,4-diphenyl-2,5-cyclohexadienone (Ib) was synthesized by phenylselenylation of 2-methoxy-4,4-diphenyl-2-cyclohexenone (Va) followed by oxidative deselenylation of the resultant 6-phenylselenyl derivative (Vc). 4-Dichloromethyl-2-methoxy-4-methy

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