Cas 146683-26-3,4(S)-4-ethyl-4-hydroxy-6-chloro-4,7-dihydro-1H-pyrano[3,4-c]pyridin-3,8-dione

146683-26-3

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Basic information

Product Name: 4(S)-4-ethyl-4-hydroxy-6-chloro-4,7-dihydro-1H-pyrano[3,4-c]pyridin-3,8-dione
Synonyms: 4(S)-4-ethyl-4-hydroxy-6-chloro-4,7-dihydro-1H-pyrano[3,4-c]pyridin-3,8-dione
CAS NO:146683-26-3
Molecular Formula:
Molecular Weight: 243.647
EINECS: N/A
Product Categories: N/A

Chemical Properties

Melting Point: N/A
Boiling Point: N/A
Flash Point: N/A
Appearance: N/A
Density: N/A
Refractive Index: N/A
Storage Temp.: N/A
Solubility: N/A
CAS DataBase Reference: 4(S)-4-ethyl-4-hydroxy-6-chloro-4,7-dihydro-1H-pyrano[3,4-c]pyridin-3,8-dione(CAS DataBase Reference)
NIST Chemistry Reference: 4(S)-4-ethyl-4-hydroxy-6-chloro-4,7-dihydro-1H-pyrano[3,4-c]pyridin-3,8-dione(146683-26-3)
EPA Substance Registry System: 4(S)-4-ethyl-4-hydroxy-6-chloro-4,7-dihydro-1H-pyrano[3,4-c]pyridin-3,8-dione(146683-26-3)

Safety Data

Hazard Codes: N/A
Statements: N/A
Safety Statements: N/A
WGK Germany:
RTECS:
HazardClass: N/A
PackingGroup: N/A
Hazardous Substances Data: 146683-26-3(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 146683-26-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,6,6,8 and 3 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 146683-26:
(8*1)+(7*4)+(6*6)+(5*6)+(4*8)+(3*3)+(2*2)+(1*6)=153
153 % 10 = 3
So 146683-26-3 is a valid CAS Registry Number.

146683-26-3Upstream product

146683-26-3Downstream Products

7689-03-4 camptothecin

146683-26-3Relevant academic research and scientific papers

Asymmetric synthesis of camptothecin alkaloids: A nine-step synthesis of (S)-camptothecin

Comins, Daniel L.,Hong, Hao,Jianhua, Gao

, p. 5331 - 5334 (1994)

DE Ring camptothecin intermediate II was prepared enantioselectively from 2-chloro-6 hydroxypyridine in six steps and used in a nine-step synthesis of (S)-camptothecin.

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