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Methyl (+/-)-(4'α,4'aS*,5'aβ,6'aβ,10'aα,10'bβ)-1',5'a,6',6'a,9',10',10'a,10'b-octahydro-4,6'a,10'b-trimethyl-9'-oxospiro<1,3-dioxolane-2,3'(4'H)-<2H>phenanthro<8a,9-b>oxiren>-8'-carboxylate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

91191-83-2

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91191-83-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 91191-83-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,1,9 and 1 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 91191-83:
(7*9)+(6*1)+(5*1)+(4*9)+(3*1)+(2*8)+(1*3)=132
132 % 10 = 2
So 91191-83-2 is a valid CAS Registry Number.

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