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154808-87-4

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154808-87-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 154808-87-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,4,8,0 and 8 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 154808-87:
(8*1)+(7*5)+(6*4)+(5*8)+(4*0)+(3*8)+(2*8)+(1*7)=154
154 % 10 = 4
So 154808-87-4 is a valid CAS Registry Number.

154808-87-4Relevant articles and documents

Design and synthesis of novel chiral pyrrolidine-based diamines with C2-symmetry

Nakajima,Tomioka,Koga

, p. 9735 - 9750 (2007/10/02)

Novel chiral pyrrolidine-based diamines with C2-symmetry 2, 3 and their related compounds 4-8 were designed and synthesized in optically pure forms. Both (+)- and (-)-2 were prepared from optical active ditosylate 9. 3 was prepared from 3,5-dimethylbenzaldehyde through optical resolution and its absolute stereochemistry was correlated with 2,3-dimethylsuccinate 27. 4 was prepared from (-)-diol 28. 5-8 were prepared from 9 and 11.

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