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85195-89-7

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85195-89-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 85195-89-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,5,1,9 and 5 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 85195-89:
(7*8)+(6*5)+(5*1)+(4*9)+(3*5)+(2*8)+(1*9)=167
167 % 10 = 7
So 85195-89-7 is a valid CAS Registry Number.

85195-89-7Downstream Products

85195-89-7Relevant articles and documents

Regioselective Alkylation of 2-Trimethylsiloxyfuran; Direct Access to 4-Substituted But-2-en-4-olides

Jefford, Charles W.,Sledeski, Adam W.,Boukouvalas, John

, p. 364 - 365 (1988)

Primary iodides alkylate 2-trimethylsiloxyfuran in the presence of a molar excess of silver trifluoroacetate to give the 4-alkylbut-2-en-4-olides in 55-81percent yield; as an illustration of the method, the cytotoxic marine sponge constituent, 4-(methoxycarbonylmethyl)but-2-en-4-olide was prepared in 79percent yield in one step.

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