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909275-31-6

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909275-31-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 909275-31-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,9,2,7 and 5 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 909275-31:
(8*9)+(7*0)+(6*9)+(5*2)+(4*7)+(3*5)+(2*3)+(1*1)=186
186 % 10 = 6
So 909275-31-6 is a valid CAS Registry Number.

909275-31-6Relevant articles and documents

Gold-catalyzed intramolecular carbothiolation of alkynes: Synthesis of 2,3-disubstituted benzothiophenes from (α-alkoxy alkyl) (ortho-alkynyl phenyl) sulfides

Nakamura, Itaru,Sato, Takuma,Yamamoto, Yoshinori

, p. 4473 - 4475 (2006)

(Chemical Equation Presented) Gold forms rings: AuCl-catalyzed cyclization of (α-alkoxy alkyl) (ortho-alkynyl phenyl) Sulfides 1 proceeds under mild conditions to give 3-(α-alkoxy alkyl) benzothiophenes 2 in high yields for a wide range of substrates (see

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