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Acetic acid (S)-1-[(2S,4R)-4-(toluene-4-sulfonyl)-3,4-dihydro-2H-pyran-2-yl]-propyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

89927-17-3

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89927-17-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 89927-17-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,9,2 and 7 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 89927-17:
(7*8)+(6*9)+(5*9)+(4*2)+(3*7)+(2*1)+(1*7)=193
193 % 10 = 3
So 89927-17-3 is a valid CAS Registry Number.

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