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DL-O2,O3;O5,O6-diisopropylidene-1-iodo-O4-(toluene-4-sulfonyl)-1-deoxy-galactitol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

71696-42-9

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71696-42-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 71696-42-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,6,9 and 6 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 71696-42:
(7*7)+(6*1)+(5*6)+(4*9)+(3*6)+(2*4)+(1*2)=149
149 % 10 = 9
So 71696-42-9 is a valid CAS Registry Number.

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