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78983-47-8

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78983-47-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 78983-47-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,9,8 and 3 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 78983-47:
(7*7)+(6*8)+(5*9)+(4*8)+(3*3)+(2*4)+(1*7)=198
198 % 10 = 8
So 78983-47-8 is a valid CAS Registry Number.

78983-47-8Downstream Products

78983-47-8Relevant articles and documents

PROTOGENKWANIN, A NEW FLAVONOID FROM EQUISETUM ARVENSE L.

Hauteville, Marcelle,Chopin, Jean,Geiger, Hans,Schuler, Lothar

, p. 377 - 381 (2007/10/02)

From the fertile sprouts of Equisetum arvense L. have been isolated protogenkwanin-4'-glucoside and gossypitrin.The structure of protogenkwanin as 5-hydroxy-2-(1,4-dihydroxy-2,5-cyclohexadienyl)-7-methoxy-4-chromenon is proved on the basis of chemical and physical evidence.It is demonstrated that articulatin, a thiamine decomposing substance, from E. arvense, is identical with the known flavonol glycoside gossypitrine (=gossypetin-7-glucoside).The synthesis of 2,5-dihydroxy-2-(4-hydroxyphenyl)-7-methoxy-4-chromanon is reported.

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