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cis-3-(1'R*-hydroxyethyl-4-(2',2'-dimethoxyethyl))-2-azetidinone is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

72447-85-9

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72447-85-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 72447-85-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,4,4 and 7 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 72447-85:
(7*7)+(6*2)+(5*4)+(4*4)+(3*7)+(2*8)+(1*5)=139
139 % 10 = 9
So 72447-85-9 is a valid CAS Registry Number.

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