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Acetic acid (4S,4aR,6aS,9aR,13aR,13bS,15aS,15bR)-4,6a,10,10,13a,15b-hexamethyl-3,11-dioxo-2,3,4,4a,5,6,6a,7,9,9a,10,11,12,13,13a,13b,14,15,15a,15b-icosahydro-1H-cyclohepta[1,2-a;5,4-a']dinaphthalen-4-ylmethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

13828-18-7

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13828-18-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 13828-18-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,8,2 and 8 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 13828-18:
(7*1)+(6*3)+(5*8)+(4*2)+(3*8)+(2*1)+(1*8)=107
107 % 10 = 7
So 13828-18-7 is a valid CAS Registry Number.

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