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164584-09-2

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164584-09-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 164584-09-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,4,5,8 and 4 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 164584-09:
(8*1)+(7*6)+(6*4)+(5*5)+(4*8)+(3*4)+(2*0)+(1*9)=152
152 % 10 = 2
So 164584-09-2 is a valid CAS Registry Number.

164584-09-2Upstream product

164584-09-2Relevant articles and documents

The Structure of Echinocarpic Acid. A Benzyl Ester from the Lichen Parmelia norcrambidiocarpa

Elix, John A.,Lajide, Labunmi,Wardlaw, Judith H.

, p. 1213 - 1216 (1995)

The benzyl ester echinocarpic acid ( 1',4'-dihydroxy-6'-methoxy-3'-oxo-1',3'-dihydroisobenzofuran-5'-ylmethyl 2,4-dihydroxy-3,6-dimethylbenzoate) (7) has been isolated from the lichen Parmelia norcrambidiocarpa together with atranorin and chloroatranorin.The structure of the compound (7) followed from a combination of spectroscopic and chemical data.

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