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21624-36-2

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21624-36-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 21624-36-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,6,2 and 4 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 21624-36:
(7*2)+(6*1)+(5*6)+(4*2)+(3*4)+(2*3)+(1*6)=82
82 % 10 = 2
So 21624-36-2 is a valid CAS Registry Number.

21624-36-2Relevant articles and documents

(Z,E,E)-HUMULENE. CONFORMATIONAL ANALYSIS AND TRANSANNULAR CYCLIZATION

Shirahama, Haruhisa,Arora, Grudial S.,Osawa, Eiji,Matsumoto, Takeshi

, p. 2869 - 2872 (1983)

Geometries and populations for four possible conformers of (Z,E,E)-humulene (1) were obtained by molecular mechanics calculations.Treatment of 1 with mercury salt gave 3,7-epoxy-3,6-secoprotoilludane (3) and 9,10-epoxide of 1 afforded tetramethylbicycloundecadienols (10, 11) on treatment with TMSOf.

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