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84202-67-5

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84202-67-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 84202-67-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,4,2,0 and 2 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 84202-67:
(7*8)+(6*4)+(5*2)+(4*0)+(3*2)+(2*6)+(1*7)=115
115 % 10 = 5
So 84202-67-5 is a valid CAS Registry Number.

84202-67-5Upstream product

84202-67-5Relevant articles and documents

Nitration of 3,4,6-Tribromo-2,5-dimethylphenol and 3,4,5,6-Tetrabromo-2-methylphenol; Towards a Mechanism of Formation of 6-Hydroxy-6-methyl-2,5-dinitrocyclohex-3-enones

Hartshorn, Michael P.,Ing, Huong Tuong,Richards, Kenneth E.,Sutton, Kevin H.,Vaughan, John

, p. 1635 - 1644 (2007/10/02)

The nitrations of the 2-methylphenols (1a) and (1b) give initially 4-nitrocyclohexa-2,5-dienones (6), which undergo further reaction to yield 2,5-dinitrocyclohex-3-enones (4).Reactions of these and other related compounds are reported which point towards

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