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81000-02-4

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81000-02-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81000-02-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,0,0 and 0 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 81000-02:
(7*8)+(6*1)+(5*0)+(4*0)+(3*0)+(2*0)+(1*2)=64
64 % 10 = 4
So 81000-02-4 is a valid CAS Registry Number.

81000-02-4Relevant articles and documents

TRANSFORMATION OF AMINES AND N-HETEROARYLFORMAMIDINES INTO ESTERS OF SUBSTITUTED β-AMINO-α,β-DEHYDRO-α-AMINO ACIDS

Stanovnik, Branko,Svete, Jurij,Tisler, Miha,Zorz, Lilijana,Hvala, Ales,Simonic, Igor

, p. 903 - 910 (2007/10/02)

Esters of substituted β-amino-α,β-dehydro-α-amino acids 5 were prepared either by transformation of N-heteroaryl-N,N-dimethylformamidines 2 with 3 into 4, followed by ring opening, or by treatment of primary or secondary amines 1 with 9.

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