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138994-85-1

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138994-85-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 138994-85-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,9,9 and 4 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 138994-85:
(8*1)+(7*3)+(6*8)+(5*9)+(4*9)+(3*4)+(2*8)+(1*5)=191
191 % 10 = 1
So 138994-85-1 is a valid CAS Registry Number.

138994-85-1Downstream Products

138994-85-1Relevant academic research and scientific papers

New antitumor bicyclic hexapeptides, RA-VI and -VIII from Rubia cordifolia; Conformation-activity relationship II

Itokawa,Morita,Takeya,Tomioka,Itai,Iitaka

, p. 7007 - 7020 (1991)

The structures of new antitumor bicyclic hexapeptides, RA-VI and -VIII from Rubia cordifolia were elucidated by the spectroscopic and chemical methods. A combination of two-dimentional NMR techniques and NOE relationships showed that the amino acids const

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