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29111-81-7

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29111-81-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 29111-81-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,9,1,1 and 1 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 29111-81:
(7*2)+(6*9)+(5*1)+(4*1)+(3*1)+(2*8)+(1*1)=97
97 % 10 = 7
So 29111-81-7 is a valid CAS Registry Number.

29111-81-7Relevant articles and documents

Palladium-catalyzed carbonylation of amines: Switchable approaches to carbamates and N,N′-disubstituted ureas

Guan, Zheng-Hui,Lei, Hao,Chen, Ming,Ren, Zhi-Hui,Bai, Yinjuan,Wang, Yao-Yu

, p. 489 - 496 (2012)

Switchable access to carbamates and ureas has been developed by solvent control palladium-catalyzed carbonylation of aromatic amines under an atmosphere of carbon monoxide. A variety of N-phenylcarbamates and N,N′- diphenylureas was easily synthesized in good to excellent yields from readily available aromatic amines under mild conditions. Copyright

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