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25250-38-8

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25250-38-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 25250-38-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,2,5 and 0 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 25250-38:
(7*2)+(6*5)+(5*2)+(4*5)+(3*0)+(2*3)+(1*8)=88
88 % 10 = 8
So 25250-38-8 is a valid CAS Registry Number.

25250-38-8Relevant articles and documents

The ritter reaction of α-chlorocarbenium ions; A synthesis of chloro substituted 2-azoniaallene salts

Ismail, Abd El-Hamid,Hamed, Atef,Zeid, Ibrahim,Jochims, Johannes C.

, p. 8271 - 8284 (2007/10/02)

α-Chlorocarbenium ions, 9, stabilized by allylic resonance, react with nitriles, 10, to give chloro substituted 2-azoniaallene salts, 12. The cation 12k abstracts chloride from the counterion SbCl6- to furnish the chloroimine 13k tog

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