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81355-76-2

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81355-76-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81355-76-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,3,5 and 5 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 81355-76:
(7*8)+(6*1)+(5*3)+(4*5)+(3*5)+(2*7)+(1*6)=132
132 % 10 = 2
So 81355-76-2 is a valid CAS Registry Number.

81355-76-2Downstream Products

81355-76-2Relevant articles and documents

ACID-CATALYSED REACTIONS OF 3,5-DIALKYL-SPIROOCTA-2,5-DIEN-4-ONES

Ward, R.S.,Thatcher, K.S.

, p. 4831 - 4834 (2007/10/02)

Acid-catalysed ring opening of the spirodienones (2a) and (2b) using p-toluenesulfonic acid affords the styrene derivatives (3a) and (3b), while treatment with acetic anhydride/H2SO4 affords the furan derivatives (4a) and (4b).

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