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1021949-19-8

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1021949-19-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1021949-19-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,1,9,4 and 9 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1021949-19:
(9*1)+(8*0)+(7*2)+(6*1)+(5*9)+(4*4)+(3*9)+(2*1)+(1*9)=128
128 % 10 = 8
So 1021949-19-8 is a valid CAS Registry Number.

1021949-19-8Downstream Products

1021949-19-8Relevant articles and documents

WATER-SOLUBLE AZO COMPOUNDS OR SALTS THEREOF, INK COMPOSITIONS AND COLORED PRODUCTS

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Page/Page column 17, (2009/09/26)

The present invention relates to a water-soluble azo compound or a salt thereof represented by the following formula (1): (wherein, R represents a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, an alkoxy group having 1 to 4 carbon atoms or a sulfo group, n, m, x and y represent an integer of 1 or 2, 1 to 3, 2 to 4 and 1 to 3, respectively.) and an ink composition containing the same; the above compound or a salt thereof has a hue possessing a high vividness suitable for inkjet recording, provides various fastnesses to recorded matters, and is useful as a yellow coloring matter excellent in storage stability when prepared into an ink composition, and suitable for ink compositions, especially inks for inkjet recording.

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