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2-Pentenoic acid, 5-[(bromoacetyl)oxy]-, ethyl ester, (2E)- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

188642-53-7

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188642-53-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 188642-53-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,8,6,4 and 2 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 188642-53:
(8*1)+(7*8)+(6*8)+(5*6)+(4*4)+(3*2)+(2*5)+(1*3)=177
177 % 10 = 7
So 188642-53-7 is a valid CAS Registry Number.

188642-53-7Upstream product

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