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1269598-89-1

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1269598-89-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1269598-89-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,6,9,5,9 and 8 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1269598-89:
(9*1)+(8*2)+(7*6)+(6*9)+(5*5)+(4*9)+(3*8)+(2*8)+(1*9)=231
231 % 10 = 1
So 1269598-89-1 is a valid CAS Registry Number.

1269598-89-1Downstream Products

1269598-89-1Relevant articles and documents

Asymmetric synthesis of 2-Substituted dihydrobenzofurans and 3-hydroxydihydrobenzopyrans through the enantioselective epoxidation of O-silyl-protected ortho-allylphenols

Jiang, Hang,Sugiyama, Takaya,Hamajima, Akinari,Hamada, Yasumasa

experimental part, p. 155 - 162 (2011/03/22)

The Shi-type epoxidation of O-tert-butyldiphenylsilyl (TBDPS) protected o-allylphenols serves as an efficient strategy to construct the dihydrobenzofurans and dihydrobenzopyrans in up to 97% ee. This methodology led to the enantioselective synthesis of (+)-marmesin, (-)-(3′R)-decursinol, and (+)-lomatin.

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