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876016-76-1

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876016-76-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 876016-76-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,6,0,1 and 6 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 876016-76:
(8*8)+(7*7)+(6*6)+(5*0)+(4*1)+(3*6)+(2*7)+(1*6)=191
191 % 10 = 1
So 876016-76-1 is a valid CAS Registry Number.

876016-76-1Downstream Products

876016-76-1Relevant articles and documents

AZO DYE, OCULAR LENS MATERIAL, METHOD FOR PRODUCING OCULAR LENS MATERIAL, AND OCULAR LENS

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Paragraph 0132, (2013/11/19)

An azo colorant being superior in elution resistance from an ophthalmic lens material and miscibility with a monomer for an ophthalmic lens, and capable of coloring with various hues is provided. Also provided are an ophthalmic lens material that achieves reduced elution of a colorant and is uniformly colored, a method for producing an ophthalmic lens material, and an ophthalmic lens. A monoazo colorant for coloring an ophthalmic lens represented by the following general formula (1). The ophthalmic lens material of the present invention is produced from a composition containing the monoazo colorant, and a monomer for an ophthalmic lens having a polymerizable group, and thus contains a copolymer of the monoazo colorant and the monomer for an ophthalmic lens.

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