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900537-07-7

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900537-07-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 900537-07-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,0,5,3 and 7 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 900537-07:
(8*9)+(7*0)+(6*0)+(5*5)+(4*3)+(3*7)+(2*0)+(1*7)=137
137 % 10 = 7
So 900537-07-7 is a valid CAS Registry Number.

900537-07-7Relevant articles and documents

The difference in reactivity of (-)-mono and dimenthyl vs. diethyl alkylphosphonates in the α-lithiation reaction: Carbanionic synthesis of unknown (-)-dimenthyl 1-iodoalkylphosphonates and their first use in the radical iodine atom transfer addition (I-A

Ba?czewski, Piotr,Szadowiak, Aldona,Bodzioch, Agnieszka,Bia?as, Tomasz,Wieczorek, Wanda M.,Szyrej, Ma?gorzata

, p. 997 - 1009 (2007/10/03)

Unknown (-)-dimenthyl and ethyl (-)-menthyl 1-iodoethylphosphonates were synthesized via 1-lithio derivatives in 85-87% yields. Starting (-)-dimenthyl alkylphosphonates (R = Me, Et, i-Pr) were obtained in the Michaelis-Becker reaction (75-81% yields) and/

Di(1R,2S,5R)-menthyl 2-hydroxy-3-chloropropylphosphonate as a useful chiral synthon for the preparation of enantiomerically pure phosphonic acids

Nesterov, Vitaly V.,Kolodiazhnyi, Oleg I.

, p. 2400 - 2404 (2008/03/27)

Stereochemically pure di(1R,2S,5R)-menthyl (S)- and (R)-2-hydroxy-3- chloropropylphosphonates were synthesized by reaction of di(1R,2S,5R)-menthyl ketophosphonate with chiral complexes prepared from sodium borohydride and (R,R)-(+)-tartaric acid or with (

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