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22191-68-0

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22191-68-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 22191-68-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,1,9 and 1 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 22191-68:
(7*2)+(6*2)+(5*1)+(4*9)+(3*1)+(2*6)+(1*8)=90
90 % 10 = 0
So 22191-68-0 is a valid CAS Registry Number.

22191-68-0Relevant articles and documents

SUR LES ORGANOMETALLIQUES ISSUS DE THIOAMIDES. I. REACTIVITE AVEC LES ALDEHYDES ET CETONES; STEREOCHIMIE DE LA CONDENSATION AVEC LA t-BUTYL-4 CYCLOHEXANONE ET LE BENZALDEHYDE

Goasdoue, Claude,Goasdoue, Nicole,Gaudemar, Marcel,Mladenova, Margarita

, p. 279 - 292 (2007/10/02)

Organometallic compounds derived from thioamides RCH2CSN(R3)2 condense normally with aldehydes and saturated ketones.Condensation with 4-t-butylcyclohexanone leads predominantly to equatorial attack by the organometallic compound.These results suggest that the organometallic structure is RCH=C(SM)N(R3)2.The stereoselectivity of the reaction with benzaldehyde depends on R and R3; a mechanism for the formation of β-hydroxythioamides is discussed.

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