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1-(7-Methoxy-2,2,8-trimethyl-chroman-6-yl)-propan-1-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

117844-91-4

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117844-91-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 117844-91-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,8,4 and 4 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 117844-91:
(8*1)+(7*1)+(6*7)+(5*8)+(4*4)+(3*4)+(2*9)+(1*1)=144
144 % 10 = 4
So 117844-91-4 is a valid CAS Registry Number.

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