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136669-99-3

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136669-99-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 136669-99-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,6,6,6 and 9 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 136669-99:
(8*1)+(7*3)+(6*6)+(5*6)+(4*6)+(3*9)+(2*9)+(1*9)=173
173 % 10 = 3
So 136669-99-3 is a valid CAS Registry Number.

136669-99-3Downstream Products

136669-99-3Relevant articles and documents

Safety-catch anchoring linkage for synthesis of peptide amides by Boc/Fmoc strategy

Patek,Lebl

, p. 3891 - 3894 (2007/10/02)

2-Methoxy-4,4'-bis(methylthio)benhydrylamine (10) and the corresponding disulfoxide were prepared and tested as a model amide protecting groups for their stability toward acidic conditions. Subsequently, the novel 4-[4,4'-bis(methylsulfinyl)-2-oxy-(9-fluorenylmethyloxycarbonyl) benzhydrylamino]butanoic acid (SCAL) handle (9) has been prepared and applied to solid-phase peptide synthesis of C-terminal peptide amide using both 9-fluorenylmethyloxycarbonyl (Fmoc) and tert-butyloxycarbonyl (Boc) groups for N(α)-amino protection.

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