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115681-38-4

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115681-38-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 115681-38-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,5,6,8 and 1 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 115681-38:
(8*1)+(7*1)+(6*5)+(5*6)+(4*8)+(3*1)+(2*3)+(1*8)=124
124 % 10 = 4
So 115681-38-4 is a valid CAS Registry Number.

115681-38-4Relevant articles and documents

Indonesian medicinal plants. XV. Chemical structures of five new resin- glycosides, merremosides a, b, c, d, and e, from the tuber of Merremia mammosa (Convolvulaceae)

Kitagawa, Isao,Baek, Nam In,Kawashima, Keiko,Yokokawa, Yoshihiro,Yoshikawa, Masayuki,Ohashi, Kazuyoshi,Shibuya, Hirotaka

, p. 1680 - 1692 (1996)

Five new resin-glycosides, named merremosides a (1), b (2), c (3), d (4), and e (5), were isolated from the tuber of Merremia mammosa (LOUR.) HALLIER f. (Convolvulaceae), an Indonesian medicinal plant. The structures of 1, 2, 3, 4, and 5 have been elucidated on the basis of chemical and physicochemical evidence, including syntheses of (11S)-(+)- and (11R)-(-)- jalapinolic acid (16b and 18b) and the glycosidic acid designated as merremoside i (6).

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