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3-(2-Benzyloxycarbonylamino-3-{4-[bis-(2-chloro-ethyl)-amino]-phenyl}-propionylamino)-butyric acid ethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

22221-46-1

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22221-46-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 22221-46-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,2,2 and 1 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 22221-46:
(7*2)+(6*2)+(5*2)+(4*2)+(3*1)+(2*4)+(1*6)=61
61 % 10 = 1
So 22221-46-1 is a valid CAS Registry Number.
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