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1272012-49-3

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1272012-49-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1272012-49-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,7,2,0,1 and 2 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1272012-49:
(9*1)+(8*2)+(7*7)+(6*2)+(5*0)+(4*1)+(3*2)+(2*4)+(1*9)=113
113 % 10 = 3
So 1272012-49-3 is a valid CAS Registry Number.

1272012-49-3Relevant articles and documents

Syntheses of the opioid substructures 1,2,3,4,5,6-hexahydro-2,6-methano-3- benzazocine and 2,3,4,5-tetrahydro-1,5-methano-1H-2-benzazepine

Coe, Jotham W.,Brooks, Paige R.,Vetelino, Michael G.,Bashore, Crystal G.,Bianco, Krista,Flick, Andrew C.

, p. 953 - 954 (2011)

Concise syntheses of 1,2,3,4,5,6-hexahydro-2,6-methano-3-benzazocine (12) and 2,3,4,5-tetrahydro-1,5-methano-1H-2-benzazepine (18) are described and involve an intramolecular Friedel-Crafts alkylation and an intramolecular Heck cyclization as their respec

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