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2-Methyl-acrylic acid 2,2,2-trichloro-1-(diphenoxy-phosphoryl)-ethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

21990-55-6

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21990-55-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 21990-55-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,9,9 and 0 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 21990-55:
(7*2)+(6*1)+(5*9)+(4*9)+(3*0)+(2*5)+(1*5)=116
116 % 10 = 6
So 21990-55-6 is a valid CAS Registry Number.

21990-55-6Downstream Products

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