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144936-88-9

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144936-88-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 144936-88-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,4,9,3 and 6 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 144936-88:
(8*1)+(7*4)+(6*4)+(5*9)+(4*3)+(3*6)+(2*8)+(1*8)=159
159 % 10 = 9
So 144936-88-9 is a valid CAS Registry Number.

144936-88-9Relevant articles and documents

The Synthesis of (+/-)-Pyrenolide C Using the Oxazole-Singlet Oxygen Reaction. Assignment of Stereochemistry.

Wassermann, Harry H.,Prowse, K. Spencer

, p. 5423 - 5426 (2007/10/02)

Pyrenolide C has been synthesized for the first time using an oxazole template to construct the framework of the ten-membered unsaturated lactone system.The stereochemical assignment, based on the mode of synthesis, has been confirmed by NMR studies. Key

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