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(1R,4S)-7-[(E)-6-Methoxycarbonyl-3,3-dimethyl-hex-5-en-(Z)-ylidene]-2,3-diaza-bicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid bis-(2,2,2-trichloro-ethyl) ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

77837-16-2

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77837-16-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 77837-16-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,8,3 and 7 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 77837-16:
(7*7)+(6*7)+(5*8)+(4*3)+(3*7)+(2*1)+(1*6)=172
172 % 10 = 2
So 77837-16-2 is a valid CAS Registry Number.

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