Cas 358974-18-2,2-(diphenylphosphino)phenylphosphonous acid tetramethyldiamide

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Check Digit Verification of cas no

The CAS Registry Mumber 358974-18-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,5,8,9,7 and 4 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 358974-18:
(8*3)+(7*5)+(6*8)+(5*9)+(4*7)+(3*4)+(2*1)+(1*8)=202
202 % 10 = 2
So 358974-18-2 is a valid CAS Registry Number.

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358974-18-2Relevant articles and documents

Synthesis of enantiopure C1 symmetric diphosphines and phosphino-phosphonites with ortho-phenylene backbones

Kottsieper, Konstantin W.,Kuehner, Uwe,Stelzer, Othmar

, p. 1159 - 1169 (2001)

Reaction of 2-(diphenylphosphino)phenylphosphonous acid tetramethyldiamide 1 with (+)-menthol, (1S,2S,3S,5R)-isopinocampheol and (1R,2R)-trans-cyclohexanediol affords enantiopure phosphino-phosphonite ligands 3-5. The X-ray structures of 1 (space group P2

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358974-18-2