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(1R,7E)-1β,8aα,12α-Trimethyl-4β-chloro-5-methylene-6β,12,13β-triacetoxy-13aβ-hydroxy-1,2,3aα,4,5,6,8a,11,12,12aβ,13,13a-dodecahydrobenzo[4,5]cyclodeca[1,2-b]furan-2,11-dione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

89999-15-5

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89999-15-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 89999-15-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,9,9 and 9 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 89999-15:
(7*8)+(6*9)+(5*9)+(4*9)+(3*9)+(2*1)+(1*5)=225
225 % 10 = 5
So 89999-15-5 is a valid CAS Registry Number.

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