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13844-03-6

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13844-03-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 13844-03-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,8,4 and 4 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 13844-03:
(7*1)+(6*3)+(5*8)+(4*4)+(3*4)+(2*0)+(1*3)=96
96 % 10 = 6
So 13844-03-6 is a valid CAS Registry Number.

13844-03-6Relevant academic research and scientific papers

AN ASYMMETRIC SYNTHESIS OF CIS, ANTI, CIS-TRICYCLO2,6>DECANES APPLYING γ-HYDROXYMETHYL-γ-BUTYROLACTONE AS A CHIRAL SYNTHON. FIRST ASYMMETRIC TOTAL SYNTHESIS OF (-)-β-BOURBONENE

Tomioka, Kiyoshi,Tanaka, Masahide,Koga, Kenji

, p. 3401 - 3404 (2007/10/02)

The asymmetric total synthesis of cis, anti, cis-tricyclo2,6>decane sesquiterpene β-bourbonene is described.The key (2+2) photocycloaddition was carried out applying the optically pure butenolide derivative 6b as a chiral synthon.

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