Cas 914222-80-3,6,8-dibromo-7-methoxy-3-hydroximino-3,4-dihydrocoumarin

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Check Digit Verification of cas no

The CAS Registry Mumber 914222-80-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,1,4,2,2 and 2 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 914222-80:
(8*9)+(7*1)+(6*4)+(5*2)+(4*2)+(3*2)+(2*8)+(1*0)=143
143 % 10 = 3
So 914222-80-3 is a valid CAS Registry Number.

914222-80-3Upstream product

863891-06-9 6,8-dibromo-3-hydroxy-7-methoxy-coumarin

914222-80-3Downstream Products

28687-76-5 3-(3,5-Dibromo-2-hydroxy-4-methoxy-phenyl)-N-(4-{3-(3,5-dibromo-2-hydroxy-4-methoxy-phenyl)-2-[(E)-hydroxyimino]-propionylamino}-butyl)-2-[(E)-hydroxyimino]-propionamide

914222-80-3Relevant articles and documents

Efficient synthesis of tyrosine-derived marine sponge metabolites via acylation of amines with a coumarin

Harburn, J. Jonathan,Rath, Nigam P.,Spilling, Christopher D.

, p. 6398 - 6403 (2005)

Condensation of N-acetylglycine with aldehyde 15 in acetic anhydride gave acetamido coumarin 16. Hydrolysis to the enol coumarin 17 and reaction with hydroxylamine gave the oximino coumarin 18. Reaction of the oximino coumarin 18 with a range of nucleophi

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914222-80-3