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Methanesulfonic acid (3aR,4R,6S,7R,7aR)-4-benzyloxy-2,2,6-trimethyl-tetrahydro-[1,3]dioxolo[4,5-c]pyran-7-yl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

26623-28-9

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26623-28-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 26623-28-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,6,6,2 and 3 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 26623-28:
(7*2)+(6*6)+(5*6)+(4*2)+(3*3)+(2*2)+(1*8)=109
109 % 10 = 9
So 26623-28-9 is a valid CAS Registry Number.

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