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Acetamide, 2,2,2-trichloro-N-[(1S,2S,3R,5R,6R)-2-[(4S)-2,2-dimethyl-1,3-dioxolan- 4-yl]-3-ethenyl-5-hydroxy-6-methyl-7-oxabicyclo[4.1.0]hept-3-yl]- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

457643-81-1

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457643-81-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 457643-81-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,5,7,6,4 and 3 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 457643-81:
(8*4)+(7*5)+(6*7)+(5*6)+(4*4)+(3*3)+(2*8)+(1*1)=181
181 % 10 = 1
So 457643-81-1 is a valid CAS Registry Number.

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