USD $1.00-1.00 / Kilogram
USD $1.00-1.00 / Kilogram
USD $1.00-1.00 / Kilogram
USD $1.00-1.00 / Kilogram
USD $1.00-1.00 / Kilogram
USD $1.00-1.00 / Kilogram
USD $1.00-1.00 / Kilogram
our advantages:
1.product capacity: eptidego has produced thousands of peptides ranging in quantity from milligrams to multiple kilograms with purities up to 99.0%.
2. samples free trial: our company welcome samples to test our quality then make regular orders.
3. good service: the company have 24 hours online service and feedback to our clients ontime
4. quality guarantee: we have strict quality control system before our delivery and refunds or re-deliver if any quality problems.
5. fast delivery and safe shipping: the compnay process orders in time and have much experienced in internation shipping, always keep goods safe shipping and fast delivery.
description of desmopressin acetate: desmopressin acetate (trade names: ddavp, stimate, minirin) is a synthetic replacement for vasopressin, the hormone that reduces urine production. it may be taken nasally, intravenously, or as a tablet. doctors prescribe desmopressin most frequently for treatment of diabetes insipidus or nocturnal enuresis. desmopressin (1-desamino-8-d-arginine vasopressin) is a modified form of the normal human hormone arginine vasopressin, a peptide containing nine amino acids. medical use of desmopressin acetate includes: (a) bed wetting; (b) nighttime urination; (c) clotting disorders; (d) diabetes insipidus .
test |
specification |
result |
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appearance |
white or almost white fluffy powder |
conforms |
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solubility
|
soluble in water, in ethanol(96%) and in glacial acetic acid |
conforms |
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hplc |
the principal peak in the chromatogram obtained with the test solution is similar in retention time to principal peak in the chromatogram obtained with the reference solution. |
conforms |
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water |
nmt 6.0% |
4.5% |
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amino acid analysis |
amino acid limits
no more than the traces of other amino acids are present. |
amino acid limits
conforms |
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related substances (purity) |
unspecified impurity for each impurity: nmt0.5%
total impurity: nmt 1.5% |
0.35%(single largest impurity)
1.20% |
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acetic acid |
3.0%~8.0% |
5.3% |
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ms |
1069.22±1.0 |
1068.6 |
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bacterial endotoxins |
less than 500iu/mg |
conforms |
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assay |
95.0%-105.0% (anhydrous and acetic acid free subtance) |
98.7% |
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specific optical rotation (c=0.2, 1% aceticacid) |
-72° to -82° (anhydrous and acetic acid free substance) |
-76.3° |
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residual solvent |
methanol:nmt 3000ppm acetonitrile:nmt 410 ppm triethylamine:nmt 320 ppm |
conforms |