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67710-75-2

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67710-75-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 67710-75-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,7,1 and 0 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 67710-75:
(7*6)+(6*7)+(5*7)+(4*1)+(3*0)+(2*7)+(1*5)=142
142 % 10 = 2
So 67710-75-2 is a valid CAS Registry Number.

67710-75-2Upstream product

67710-75-2Downstream Products

67710-75-2Relevant articles and documents

5 Allyl 9 oxobenzomorphans. IV. Synthesis of 3 hydroxy 8 oxyisomorphinans, 5 allyl 9α hydroxy 6,7 benzomorphans, and related tetrahydrofuranobenzomorphans

Lambert,Daris,Monkovic

, p. 2523 - 2529 (2007/10/07)

A series of 3-hydroxy-8-oxyisomorphinans was synthesized from the corresponding 5-allyl-9β-hydroxy-6,7-benzomorphans via a hydroboration, oxidation, mesylation and cyclization sequence of reactions. Selective reduction of and methylmagnesium iodide addition to 5-allyl-2'-methoxy-2-methyl-9-oxo-6,7-benzomorphan gave the respective 9α-hydroxy-6,7-benzomorphans. These were transformed to a number of 2-substituted-5 allyl-2',9β-dihydroxy-6,7-benzomorphans and corresponding methyltetrahydrofurano analogs.

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