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86602-25-7

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86602-25-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 86602-25-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,6,6,0 and 2 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 86602-25:
(7*8)+(6*6)+(5*6)+(4*0)+(3*2)+(2*2)+(1*5)=137
137 % 10 = 7
So 86602-25-7 is a valid CAS Registry Number.

86602-25-7Relevant articles and documents

Addition of 4-Chlorobenzenesulphenyl Chloride to 3-Methylbut-1-yne, Hex-1-yne, and Phenylacetylene: Isomerisation and Hydrolysis of the Adducts

Capozzi, Giuseppe,Romeo, Giovanni,Lucchini, Vittorio,Modena, Giorgio

, p. 831 - 836 (2007/10/02)

The addition of (4-ClC6H4SCl, (2), to RCH(*)CH, (1; R=Pri, Bun), gives (E)-4-ClC6H4(R)C(*)C(H)Cl, (E)-(3), and (E)-4-ClC6H4(H)C(*)C(R)Cl, (E)-(4) in a fixed ratio; the addition to (1; R=Ph) gives regiospecifically (E)-(3; R=Ph) in ethyl acetate, but different proportions of (E)-(3) and (E)-(4) (R=Ph), in chloroform, sym-tetrachloroethane, and acetic acid.With an excess of the sulphenyl chloride (2), (E)-(3) and (E)-(4) isomerize to (Z)-(4) (same R).The sulphuric-acid catalysed hydrolysis of (E)-(3; R=Pri, Bun, Ph) gives α-chloroketones RCOCH2Cl(5) (same R).The (E)-(4) isomers do not hydrolyse.

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