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18089-46-8

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18089-46-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 18089-46-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,0,8 and 9 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 18089-46:
(7*1)+(6*8)+(5*0)+(4*8)+(3*9)+(2*4)+(1*6)=128
128 % 10 = 8
So 18089-46-8 is a valid CAS Registry Number.

18089-46-8Relevant articles and documents

Mercapto steroids in protection against mercury and lead poisoning

Blickenstaff,Cox,Foster,Roberts,Steinrauf

, p. 556 - 558 (1980)

When thiocholesterol is administered as liposomes, it provides significant protection against methylmercuric chloride in mice when given in three intraperitoneal injections, 0.5 hr before and 2 and 8 hr after the methylmercuric chloride. Thiositosterol, 5

SYNTHESIS OF THE ANALOGS OF BRASSINOSTEROIDS BASED ON β-SITOSTEROL

Kovganko, N. V.,Kashkan, Zh. N.

, p. 2205 - 2211 (2007/10/02)

The synthesis of 22,23-dideoxy-28-homobrassinolide and its related brassinosteroid analogs was realized from β-sitosterol.

Synthesis of Analogues of Brassinolide and Castasterone

Mitra, R. B.,Hazra, B. G.,Kapoor, V. M.

, p. 106 - 109 (2007/10/02)

Syntheses of 2α,3α,22R,23R-tetrahydroxy-24S-ethyl-B-homo-7-oxa-5α-cholestan-6-one (5) and 2α,3α-dihydroxy-24S-ethyl-B-homo-7-oxa-5α-cholestan-6-one (7) are described starting from stigmasterol and β-sitosterol respectively.

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