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(5R)-[2-(3,6-diethoxy-5-isopropyl-2,5-dihydropyrazin-2-yl)-1-(diethoxyphosphoryl)ethyl]phosphonic acid diethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

444789-34-8

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444789-34-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 444789-34-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,4,7,8 and 9 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 444789-34:
(8*4)+(7*4)+(6*4)+(5*7)+(4*8)+(3*9)+(2*3)+(1*4)=188
188 % 10 = 8
So 444789-34-8 is a valid CAS Registry Number.

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