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639839-27-3

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639839-27-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 639839-27-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,3,9,8,3 and 9 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 639839-27:
(8*6)+(7*3)+(6*9)+(5*8)+(4*3)+(3*9)+(2*2)+(1*7)=213
213 % 10 = 3
So 639839-27-3 is a valid CAS Registry Number.

639839-27-3Downstream Products

639839-27-3Relevant articles and documents

Synthesis of new terpene derivatives via ruthenium catalysis: Rearrangement of silylated enynes derived from terpenoids

Le N?tre, Jér?me,Martinez, Ana Acosta,Dixneuf, Pierre H.,Bruneau, Christian

, p. 9425 - 9432 (2007/10/03)

Enyne rearrangement of silylated modified terpenoids has been used as the key step for the synthesis of new terpenes and terpenoids. The catalytic system generated in situ from [RuCl2(p-cymene]2, 1,3-bis(mesityl)imidazolinium chlorid

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