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Proline, 5-[[(phenylmethyl)amino]carbonyl]-, ethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

52840-77-4

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52840-77-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 52840-77-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,2,8,4 and 0 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 52840-77:
(7*5)+(6*2)+(5*8)+(4*4)+(3*0)+(2*7)+(1*7)=124
124 % 10 = 4
So 52840-77-4 is a valid CAS Registry Number.

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