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Chloro-acetic acid 5-methoxy-2-(4-methoxy-phenyl)-1,3-dioxo-indan-2-ylmethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

42222-99-1

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42222-99-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 42222-99-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,2,2 and 2 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 42222-99:
(7*4)+(6*2)+(5*2)+(4*2)+(3*2)+(2*9)+(1*9)=91
91 % 10 = 1
So 42222-99-1 is a valid CAS Registry Number.

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