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(R)-1-((1R,2R)-2-Ethyl-1-oxo-1λ4-[1,3]dithian-2-yl)-2,6-dimethyl-heptan-1-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

157809-45-5

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157809-45-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 157809-45-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,7,8,0 and 9 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 157809-45:
(8*1)+(7*5)+(6*7)+(5*8)+(4*0)+(3*9)+(2*4)+(1*5)=165
165 % 10 = 5
So 157809-45-5 is a valid CAS Registry Number.

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