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138783-19-4

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138783-19-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 138783-19-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,7,8 and 3 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 138783-19:
(8*1)+(7*3)+(6*8)+(5*7)+(4*8)+(3*3)+(2*1)+(1*9)=164
164 % 10 = 4
So 138783-19-4 is a valid CAS Registry Number.

138783-19-4Downstream Products

138783-19-4Relevant articles and documents

A DIPEPTIDE DERIVATIVE FROM HYPERICUM JAPONICUM

Ishiguro, Kyoko,Nagata, Satoko,Fukumoto, Hisae,Yamaki, Masae,Takagi, Shuzo,Isoi, Koichiro

, p. 3639 - 3642 (2007/10/02)

The structure of a novel peptide analogue saropeptate, N-benzoyl-L-phenylalanyl-L-phenylalaninol acetate, isolated from the whole plant of H. japonicum was elucidated by spectroscopic analysis and its absolute configuration determined by comparison with four synthetic diastereoisomers.Key Word Index - Hypericum japonicum; Guttiferae; dipeptide derivative; N-benzoyl-L-phenylalanyl-L-phenylalaninol acetate.

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