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124237-43-0

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124237-43-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 124237-43-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,4,2,3 and 7 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 124237-43:
(8*1)+(7*2)+(6*4)+(5*2)+(4*3)+(3*7)+(2*4)+(1*3)=100
100 % 10 = 0
So 124237-43-0 is a valid CAS Registry Number.

124237-43-0Downstream Products

124237-43-0Relevant articles and documents

Synthesis of pentaoxygenated berbines: Total synthesis of (+/-)-O-methylthaicanine

Mali, R. S.,Borse, A. U.,Patil, Sharadbala D.

, p. 107 - 109 (2007/10/02)

First total synthesis of (+/-)-O-methylthaicanine (5a) is described starting from 2,3,4-trimethoxy-β-phenylethyl amine (2).Condensation of 2 with isochroman-3-ones (3a-c) provides hydroxyamides (4a-c) which on cyclisation (POCl3, toluene, reflux), followed by reduction (NaBH4) give (+/-)-O-methylthaicanine (5a), 2,3,4-trimethoxy-9,10-methylenedioxy-5,6,13,13a-tetrahydro-8H-dibenzoquinolizine (5b) and 2,3,4,10,11-pentamethoxy-5,6,13,13a-tetrahydro-8H-dibenzoquinolizine (5c).

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