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1010828-67-7

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1010828-67-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1010828-67-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,1,0,8,2 and 8 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1010828-67:
(9*1)+(8*0)+(7*1)+(6*0)+(5*8)+(4*2)+(3*8)+(2*6)+(1*7)=107
107 % 10 = 7
So 1010828-67-7 is a valid CAS Registry Number.

1010828-67-7Relevant articles and documents

BLUE ANTHRAQUINONE DYES, PRODUCTION AND USE THEREOF

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Page/Page column 6, (2010/04/23)

The present invention concerns dyes of the general formula I where X and Y represent hydrogen, bromine or chlorine, but not simultaneously hydrogen;R represents F, Cl, Br, COOR1 or CF3;R′ represents H or F;R1 represents C1-C6-alkyl; andone of W1 and W2 represents hydroxyl and the other nitro and Y is always ortho to the hydroxyl group;but not compounds in which R represents Cl attached to the phenyl nucleus in a is position ortho to the NH group nor compounds in which W1 represents nitro, W2 represents hydroxyl, Y represents hydrogen, X represents chlorine and R represents bromine attached to the phenyl nucleus in a position meta to the NH group, mixtures with further dyes, and also their preparation and use.

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