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(2E,4E)-5-((2S,3S,3aS,4S,5S,6aR)-5-Ethyl-3,4-dihydroxy-3a,4-dimethyl-hexahydro-furo[2,3-b]furan-2-yl)-penta-2,4-dienal is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

90641-18-2

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90641-18-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 90641-18-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,6,4 and 1 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 90641-18:
(7*9)+(6*0)+(5*6)+(4*4)+(3*1)+(2*1)+(1*8)=122
122 % 10 = 2
So 90641-18-2 is a valid CAS Registry Number.

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