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1,1,1-trichloro-2-hydroxy-tridecan-4-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

857078-34-3

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857078-34-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 857078-34-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,7,0,7 and 8 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 857078-34:
(8*8)+(7*5)+(6*7)+(5*0)+(4*7)+(3*8)+(2*3)+(1*4)=203
203 % 10 = 3
So 857078-34-3 is a valid CAS Registry Number.

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