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62131-51-5

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62131-51-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 62131-51-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,2,1,3 and 1 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 62131-51:
(7*6)+(6*2)+(5*1)+(4*3)+(3*1)+(2*5)+(1*1)=85
85 % 10 = 5
So 62131-51-5 is a valid CAS Registry Number.

62131-51-5Relevant articles and documents

Chemoselective Michael type addition of aliphatic amines to α,β-ethylenic compounds using bismuth triflate catalyst

Varala, Ravi,Alam, M. Mujahid,Adapa, Srinivas R.

, p. 720 - 722 (2003)

Catalytic amounts of bismuth triflate efficiently catalyse the conjugate addition of aliphatic amines to α,β-ethylenic compounds in acetonitrile under mild conditions. The reaction is chemoselective, as aromatic amines do not participate in the reaction. Further, the catalyst can be easily recovered and reused.

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