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3,7-dimethyl-9-(2,6,6-trimethyl-cyclohex-1-enyl)-nona-2,4,6-trien-8-ynoic acid ethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

74976-68-4

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74976-68-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74976-68-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,9,7 and 6 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 74976-68:
(7*7)+(6*4)+(5*9)+(4*7)+(3*6)+(2*6)+(1*8)=184
184 % 10 = 4
So 74976-68-4 is a valid CAS Registry Number.

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