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(+/-)-2-Benzyloxycarbonylamino-4-brom-buttersaeure-tert.-butylester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

25643-84-9

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25643-84-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 25643-84-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,6,4 and 3 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 25643-84:
(7*2)+(6*5)+(5*6)+(4*4)+(3*3)+(2*8)+(1*4)=119
119 % 10 = 9
So 25643-84-9 is a valid CAS Registry Number.

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