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286931-61-1

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286931-61-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 286931-61-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,8,6,9,3 and 1 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 286931-61:
(8*2)+(7*8)+(6*6)+(5*9)+(4*3)+(3*1)+(2*6)+(1*1)=181
181 % 10 = 1
So 286931-61-1 is a valid CAS Registry Number.

286931-61-1Upstream product

286931-61-1Downstream Products

286931-61-1Relevant articles and documents

The synthesis of kermesic acid by acetylation-aided tautomerism of 6- chloro-2,5,8-trihydroxynaphtho-1,4-quinone

Bingham, Steve J.,Tyman, John H. P.

, p. 925 - 926 (2000)

6-Chloro-2,5,8-trihydroxynaphtho-1,4-quinone does not undergo cycloaddition reactions but the 1,2-diacetate, 2-chloro-5,6-diacetoxy-8- hydroxynaphtho-1,4-quinone, formed by acetylation-aided tautomerism added (E)- and (Z)-3-alkoxycarbonyl-2,4-bis(trimethy

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