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Toluene-4-sulfonic acid (R)-((R)-2,2-dimethyl-[1,3]dioxolan-4-yl)-((4R,5S)-2,2,5-trimethyl-[1,3]dioxolan-4-yl)-methyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

71696-41-8

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71696-41-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 71696-41-8 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 1 respectively.
Calculate Digit Verification of CAS Registry Number 71696-41:
(7*7)+(6*1)+(5*6)+(4*9)+(3*6)+(2*4)+(1*1)=148
148 % 10 = 8
So 71696-41-8 is a valid CAS Registry Number.

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