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158412-24-9

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158412-24-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 158412-24-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,8,4,1 and 2 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 158412-24:
(8*1)+(7*5)+(6*8)+(5*4)+(4*1)+(3*2)+(2*2)+(1*4)=129
129 % 10 = 9
So 158412-24-9 is a valid CAS Registry Number.

158412-24-9Relevant articles and documents

First total synthesis of new diglycosides, neohancoside A, and B from Cynanchum hancockianum

Konda, Yaeko,Toida, Tsuneyuki,Kaji, Eisuke,Takeda, Kazuyoshi,Harigaya, Yoshihiro

, p. 4015 - 4018 (1996)

First total synthesis of monoterpene diglycosides, neohancosides A (1) and B (2) from Cynanchum hancockianum were achieved stereoselectively using fluoride as a glycosyl donor. The absolute configurations of 1 and 2 were determined by enzymatic degradation of synthetic intermediates.

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