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(+/-)-(1α,2α,4bβ,10α)-8,8-(Ethylenedioxy)-2-hydroxy-1-(methoxycarbonyl)-7-<(methoxymethyl)oxy>-1-methylgibb-4a(10a)-ene-10-carboxylic acid is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

91156-89-7

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91156-89-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 91156-89-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,1,5 and 6 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 91156-89:
(7*9)+(6*1)+(5*1)+(4*5)+(3*6)+(2*8)+(1*9)=137
137 % 10 = 7
So 91156-89-7 is a valid CAS Registry Number.

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