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(E)-4-Benzenesulfonyl-2-methyl-2-{[1-phenyl-meth-(Z)-ylidene]-amino}-but-3-enoic acid methyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

69555-91-5

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69555-91-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 69555-91-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,9,5,5 and 5 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 69555-91:
(7*6)+(6*9)+(5*5)+(4*5)+(3*5)+(2*9)+(1*1)=175
175 % 10 = 5
So 69555-91-5 is a valid CAS Registry Number.

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