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1-[4-(Chloromethyl-dimethyl-silanyloxy)-phenyl]-3-[1-(dimethyl-hydrazono)-ethyl]-urea is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

42003-59-8

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42003-59-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 42003-59-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,0,0 and 3 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 42003-59:
(7*4)+(6*2)+(5*0)+(4*0)+(3*3)+(2*5)+(1*9)=68
68 % 10 = 8
So 42003-59-8 is a valid CAS Registry Number.

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