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19308-44-2

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19308-44-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 19308-44-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,3,0 and 8 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 19308-44:
(7*1)+(6*9)+(5*3)+(4*0)+(3*8)+(2*4)+(1*4)=112
112 % 10 = 2
So 19308-44-2 is a valid CAS Registry Number.

19308-44-2Downstream Products

19308-44-2Relevant articles and documents

Two new polyhydroxypregnane glycosides from the roots of Cynanchum otophyllum

Shi, Lin-Mei,Liu, Wen-Hong,Yu, Qing,Wan, Hai-Tong

, p. 404 - 405 (2013/09/12)

Two new polyhydroxypregnane glycosides, namely cynotophyllosides I-J, were isolated from the roots of Cynanchum otophyllum, together with three known steroids, namely deacetylmetaplexigenin, sarcostin and hemoside. Their structures were established by ext

Studies on the Constituents of Asclepiadaceae Plants. LX. Further Studies on Glycosides with a Novel Sugar Chain Containing a Pair of Optically Isomeric Sugars, D- and L-Cymarose, from Cynanchum wilfordi

Tsukamoto, Sachiko,Hayashi, Koji,Mitsuhashi, Hiroshi

, p. 2294 - 2304 (2007/10/02)

Seven new glycosides named wilfosides D1N (7), K1N (8), M1N (9), F1N (10), W1N (11), W3N (12), and G1G (13) were isolated from Cynanchum wilfordi HEMSLEY (Asclepiadaceae), and their structures were deduced on the basis of spectral and chemical evidence.A

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