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179128-91-7

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179128-91-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 179128-91-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,9,1,2 and 8 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 179128-91:
(8*1)+(7*7)+(6*9)+(5*1)+(4*2)+(3*8)+(2*9)+(1*1)=167
167 % 10 = 7
So 179128-91-7 is a valid CAS Registry Number.

179128-91-7Relevant articles and documents

Bryophyte constituents; 7: New synthesis of (+)-rosmarinic acid and related compounds

Eicher, Theophil,Ott, Markus,Speicher, Andreas

, p. 755 - 762 (1996)

Efficient and expeditious syntheses are described for rosmarinic acid (1) and its derivatives 2-4, making extensive use of allyl protective groups for both carboxylic acids and phenolic building blocks. (+)(R)-Rosmarinic acid was obtained by a chemoenzymatic resolution of its phenyl lactic acid precursors.

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