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156275-86-4

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156275-86-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 156275-86-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,6,2,7 and 5 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 156275-86:
(8*1)+(7*5)+(6*6)+(5*2)+(4*7)+(3*5)+(2*8)+(1*6)=154
154 % 10 = 4
So 156275-86-4 is a valid CAS Registry Number.

156275-86-4Relevant articles and documents

THIOLS, UNSYMMETRICAL SULFIDES AND THIOACETALS FROM THE NEW REAGENT: TRIISOPROPYLSILANETHIOL

Miranda, Edgar I.,Diaz, Michael J.,Rosado, Izander,Soderquist, John A.

, p. 3221 - 3224 (1994)

Triisopropylsilanethiol (HSTIPS, 1), easily prepared in 98percent yield from H2S and TIPSCl, is efficiently alkylated in a selective manner with 10 and 20 alkyl halides or tosylates through its potassium thiolate (2c) to provide RSTIPS (3) in excellent yields.Compound 3 provides a convenient source of alkanethiols (4), unsymmetrical dialkyl sulfides (5) and thioacetals (6).

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