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143951-58-0

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143951-58-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 143951-58-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,9,5 and 1 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 143951-58:
(8*1)+(7*4)+(6*3)+(5*9)+(4*5)+(3*1)+(2*5)+(1*8)=140
140 % 10 = 0
So 143951-58-0 is a valid CAS Registry Number.

143951-58-0Relevant articles and documents

Synthesis of C-nor emetine pyman

Harada,Okada,Okamura,Date,Ishida,Takeda

, p. 1390 - 1397 (2007/10/02)

The four stereoisomers of C-nor emetine Pyman (2) were synthesized and isolated as their hydrobromides (2a-d·2HBr). Reduction of 3,11b-trans dehydro C-nor emetine Pyman (13a) gave an inseparable mixture of 2a and 2b. They were converted into the correspon

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