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73857-27-9

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73857-27-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 73857-27-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,8,5 and 7 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 73857-27:
(7*7)+(6*3)+(5*8)+(4*5)+(3*7)+(2*2)+(1*7)=159
159 % 10 = 9
So 73857-27-9 is a valid CAS Registry Number.

73857-27-9Downstream Products

73857-27-9Relevant articles and documents

INDOLE DERIVATIVES. 119. C-ACYLATION OF METHYL 3-INDOLYLACETATE. SYNTHESIS OF 5-(3-INDOLYL)PYRIMIDINES

Rozhkov, V.S.,Smushkevich, Yu.I.,Suvorov, N.N.

, p. 45 - 48 (1980)

The Claisen condensation of methyl 3-indolylacetate with dimethyl carbonate, methyl benzoate, methyl formate, and methyl acetate proceeds with acylation of the CH2 group.Only the carbomethoxy group attached to the nitrogen atom of the indole ring is retai

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