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90643-77-9

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90643-77-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 90643-77-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,6,4 and 3 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 90643-77:
(7*9)+(6*0)+(5*6)+(4*4)+(3*3)+(2*7)+(1*7)=139
139 % 10 = 9
So 90643-77-9 is a valid CAS Registry Number.

90643-77-9Downstream Products

90643-77-9Relevant articles and documents

DYE AND DYEING METHOD

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, (2019/11/16)

A dyeing method is provided, which includes dyeing a dye to a fiber by a supercritical fluid, wherein the dye has a chemical structure of:R 1 is C1-6alkyl group, R 2 is C1-6alkyl group, each of R 3 is independently of H or C1-6alkyl group, and R 4 is a single bond or C1-6alkylene group. When R 4 is single bond, R 5 is. When R 4 is C1-6alkylene group, R 5 is H, Br, Cl, or. Each of R 6 is independently of H, Cl, Br, OCH3, or C1-6alkyl group.

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