Cas 273400-02-5,epioritin-(4β->3)-epioritin-4α-ol octa-acetate

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Check Digit Verification of cas no

The CAS Registry Mumber 273400-02-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,7,3,4,0 and 0 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 273400-02:
(8*2)+(7*7)+(6*3)+(5*4)+(4*0)+(3*0)+(2*0)+(1*2)=105
105 % 10 = 5
So 273400-02-5 is a valid CAS Registry Number.

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219313-31-2 epioritin-(4β->3)-epioritin-4α-ol hexa-O-methyl ether diacetate

273400-02-5Relevant articles and documents

Structure and synthesis of ether-linked proteracacinidin and promelacacinidin proanthocyanidins from Acacia caffra

Bennie, Linette,Malan, Elfranco,Coetzee, Johan,Ferreira, Daneel

, p. 785 - 793 (2007/10/03)

Two new ether-linked proanthocyanidins, epioritin-(4β → 3)-epioritin- 4β-ol and epimesquitol-(4β → 4)-epioritin-4β-ol, were isolated from the heartwood of Acacia caffra. Their structures and absolute configurations were established by spectroscopic method

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273400-02-5