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b-Alanine, N,N'-1,2-ethanediylbis[N-(3-methoxy-3-oxopropyl)-, dimethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

91933-33-4

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91933-33-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 91933-33-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,9,3 and 3 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 91933-33:
(7*9)+(6*1)+(5*9)+(4*3)+(3*3)+(2*3)+(1*3)=144
144 % 10 = 4
So 91933-33-4 is a valid CAS Registry Number.

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