Cas 142713-50-6,2-demethylisocolchicine

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Check Digit Verification of cas no

The CAS Registry Mumber 142713-50-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,7,1 and 3 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 142713-50:
(8*1)+(7*4)+(6*2)+(5*7)+(4*1)+(3*3)+(2*5)+(1*0)=106
106 % 10 = 6
So 142713-50-6 is a valid CAS Registry Number.

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142713-50-6Relevant articles and documents

2,10-DIDEMETHYLCOLCHICINE - A NEW ALKALOID FROM MERENDERA ROBUSTA

Chommadov, B. Ch.,Yusupov, M. K.,Aslanov, Kh. A.

, p. 58 - 61 (1991)

The alkaloid complex of Merendera robusta Bge. (family Liliaceae) growing in the Tashkent province of the Uzbek SSR has been investigated.The main alkaloids of this plant are colchicine and colchamine.Eleven tropolone alkaloids and their photochemical isomers have been isolated and identified.A new alkaloid of phenolic nature has been isolated for which the structure of 2,10-didemethylcolchicine has been established.

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142713-50-6