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1146218-82-7

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1146218-82-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1146218-82-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,4,6,2,1 and 8 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1146218-82:
(9*1)+(8*1)+(7*4)+(6*6)+(5*2)+(4*1)+(3*8)+(2*8)+(1*2)=137
137 % 10 = 7
So 1146218-82-7 is a valid CAS Registry Number.

1146218-82-7Downstream Products

1146218-82-7Relevant articles and documents

Mild and efficient deprotection of acetal-type protecting groups of hydroxyl functions by triethylsilyl triflate2,4,6-collidine combination

Fujioka, Hiromichi,Kubo, Ozora,Okamoto, Kazuhisa,Senami, Kento,Okitsu, Takashi,Ohnaka, Takuya,Sawama, Yoshinari,Kita, Yasuyuki

experimental part, p. 1089 - 1103 (2010/10/20)

Deprotection of acetal-type protecting groups of hydroxyl functions has been studied in detail. The treatment of alcohol derivatives protected by acetal-type protecting groups with TESOTf2,4,6-collidine followed by H 20-treatment produces the corresponding hydroxyl compounds in good yields. The characteristic features of the method are very mild and chemoselective, and acid-labile functional groups can tolerate these conditions.

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