货号: | D1501 |
英文名: | Calf Thymus DNA |
数量: | 大量 |
供应商: | 北京拜尔迪 |
规格: | 500mg |
Product Name | Deoxyribonucleic acid sodium salt from calf thymus, Type I, fibers |
Product Number | D1501 |
Product Brand | SIGMA |
CAS Number | 73049-39-5 |
Storage Temp | 2-8°C |
TEST | SPECIFICATION |
APPEARANCE | WHITE SOLID |
SOLUBILITY | CLEAR TO HAZY, COLORLESS TO FAINT YELLOW SOLUTION AT 2 MG/ML IN H20. |
SOURCE | CALF THYMUS |
RATIO A260/A280 | > OR = 1.8 |
A260 UNITS/MG SOLID | > OR = 16.0 |
UNIT DEFINITION | ONE UNIT WILL YIELD AN A260 OF 1.0 IN 1.0ML OF 15MM SODIUM CHLORIDE AND 1.5MM SODIUM CITRATE, PH7.0 (1CM LIGHT PATH). ONE MG OF DNA IS EQUIVALENT TO APPROX. 20A260 UNITS. |
ICP-ATOMIC EMISSION | 6 TO 13% SODIUM |
5 TO 9% PHOSPHORUS | |
PROTEIN BY LOWRY | < OR = 10% |
ENZYMATIC SUITABILITY | TESTED AND FOUND SUITABLE AS A SUBSTRATE FOR DNASE |
RECOMMENDED RETEST | 4 YEARS |