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75556-28-4

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75556-28-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 75556-28-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,5,5 and 6 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 75556-28:
(7*7)+(6*5)+(5*5)+(4*5)+(3*6)+(2*2)+(1*8)=154
154 % 10 = 4
So 75556-28-4 is a valid CAS Registry Number.

75556-28-4Upstream product

75556-28-4Relevant articles and documents

TOMATOSIDE A FROM THE SEEDS OF Lycopersicum esculentum

Shchelochkova, A. P.,Vollerner, Yu. S.,Koshoev, K. K.

, p. 386 - 392 (2007/10/02)

Results are given which confirm the structure of the furostanol glycoside from tomato seeds forming wastes of the preserving industry.From a butanolic extract of the seeds of Lycopersicum esculentum Mill. we have isolated the furostanol glycoside tomatoside A (I) the structure of which has been established as 25(S)-5α-furostan-3β,22α,26-triol 26-O-β-D-glucopyranoside 3-O2)-O-β-D-glucopyranosyl-(1->4)-β-D-galactopyranoside>.At the same time, by enzymatic and chemical transformations three new spirostanol glycosides of neotigogenin have been obtained: tomatoside B (III), which is 25(S)-5α-spirostan-3β-ol 3-O-2)-β-D-galactopyranoside>, 25(S)-5α-spirostan-3β-ol 3-O-4)-β-D-galactopyranoside> (V), and 25(S)-5α-spirostan-3β-ol 3-O-β-D-galactopyranoside (IV).

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