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74202-09-8

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74202-09-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74202-09-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,2,0 and 2 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 74202-09:
(7*7)+(6*4)+(5*2)+(4*0)+(3*2)+(2*0)+(1*9)=98
98 % 10 = 8
So 74202-09-8 is a valid CAS Registry Number.

74202-09-8Upstream product

74202-09-8Relevant articles and documents

Methyltrioxorhenium: A new catalyst for the activation of hydrogen peroxide to the oxidation of lignin and lignin model compounds

Crestini, Claudia,Pro, Paola,Neri, Veronica,Saladino, Raffaele

, p. 2569 - 2578 (2007/10/03)

The oxidative degradation of lignin under totally chlorine free conditions is one of the most relevant targets for the design of environmental friendly pulping and bleaching industrial processes. Methyltrioxorhenium was found a powerful and promising catalyst for the oxidation of both phenolic and non-phenolic lignin model compounds by use of hydrogen peroxide as primary oxidant. Three different technical lignins, hydrolytic sugar cane lignin (SCL), red spruce kraft lignin (RSL) and a hardwood organosolvent lignin (OSL), that are representative examples of widely diffused para-hydroxyphenyl-guaiacyl, guaiacyl and guaiacyl-syringyl lignins, were also extensively degraded under similar experimental conditions.

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