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Acetic acid (S)-1-((S)-1-hydroxy-1-methyl-2-oxo-propyl)-4-methyl-pent-3-enyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

211491-56-4

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211491-56-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 211491-56-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,1,4,9 and 1 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 211491-56:
(8*2)+(7*1)+(6*1)+(5*4)+(4*9)+(3*1)+(2*5)+(1*6)=104
104 % 10 = 4
So 211491-56-4 is a valid CAS Registry Number.

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