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6-amino-O1,O2-isopropylidene-6-deoxy-β-L-idofuranose; toluene-4-sulfonate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

19949-49-6

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19949-49-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 19949-49-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,9,4 and 9 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 19949-49:
(7*1)+(6*9)+(5*9)+(4*4)+(3*9)+(2*4)+(1*9)=166
166 % 10 = 6
So 19949-49-6 is a valid CAS Registry Number.

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