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93796-85-1

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93796-85-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 93796-85-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,3,7,9 and 6 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 93796-85:
(7*9)+(6*3)+(5*7)+(4*9)+(3*6)+(2*8)+(1*5)=191
191 % 10 = 1
So 93796-85-1 is a valid CAS Registry Number.

93796-85-1Relevant articles and documents

Naturally Occurring Dibenzofurans. Part 5. Synthesis of Melacarpic Acid

Carvalho, Christopher F.,Sargent, Melvyn V.

, p. 1613 - 1620 (2007/10/02)

The total synthesis of the lichen dibenzofuran melacarpic acid (5) was achieved by intramolecular Ullman coupling of methyl 5-bromo-4-(2-bromo-5-methoxy-3-methylphenoxy)-6-heptyl-2-methoxybenzoate (48) or methyl 6-heptyl-5-iodo-4-(2-iodo-5-methoxy-3-methyl-4-nitrophenoxy)-2-methoxybenzoate (46) followed by appropriate transformations.

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