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90620-28-3

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90620-28-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 90620-28-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,6,2 and 0 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 90620-28:
(7*9)+(6*0)+(5*6)+(4*2)+(3*0)+(2*2)+(1*8)=113
113 % 10 = 3
So 90620-28-3 is a valid CAS Registry Number.

90620-28-3Relevant articles and documents

Intramolecular Diels-Alder Reaction of Alkenyl Oxazole-5-carbamates and N-Alkenyl-oxazole-5-carboxamides

Shimada, Sadakatsu,Tojo, Toshiaki

, p. 4247 - 4258 (2007/10/02)

Intramolecular cycloaddition of N-allyl-4-methyloxazole-5-carboxamides (1) gave the corresponding 6a-acetyl-2-hydroxy-6-oxotetrahydrofuropyrrolidines (3).Tricycloadducts (6) were obtained by the intramolecular Diels-Alder reaction of N-(3-butenyl)-

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